How to start a sports card business in 2026: steps, costs, and a one-page plan
This guide shows how to start a sports card business step by step. It covers what to sell, startup costs, registration and sales tax, sourcing, grading, selling on eBay, pricing from sold listings, tracking every card, and the records you need for taxes. It ends with a one-page business plan you can copy.
Choose one card category and price range, such as raw modern rookies under $50, and start selling on eBay, which collects sales tax for you on orders to every U.S. state that has one. Open a separate bank account for card money. Before you buy, check sold prices and work out what's left after fees and shipping. Record what you paid for every card, including its share of a lot, so you can see real profit and prove your costs at tax time. Then write a one-page plan and check your numbers every month.
A lot of card businesses start by accident. Someone buys a few lots, flips some cards on eBay, and ends up with boxes of inventory and no idea whether they're making money.
This guide shows how to start a sports card business on purpose, or how to turn the one you have into a real one. It covers the steps in order, what to spend money on, where to buy and sell, how to price, how to track every card, and what to keep for tax time. Near the end is a one-page business plan template you can copy.
Quick answer
- Decide what you'll buy, what you'll sell, and where you'll sell it.
- Set a startup budget and open a separate bank account for card money.
- Check what your state and city require, such as a seller's permit or a business license.
- Buy inventory only after you've checked what it sells for.
- Grade a card only when the graded price covers the fees and the wait.
- Start selling on eBay with a listing routine you repeat for every card.
- Price every card from sold listings, not asking prices.
- Record the cost, listing, and sale of every card from day one.
- Keep purchase records and receipts for taxes.
- Check your numbers every month and drop what isn't making money.
Step 1: Decide what kind of card business you're running
"Sports card business" covers very different jobs. Pick one to start. You can add more later.
| Model | What you do | What it rewards |
|---|---|---|
| Flipping singles | Buy single cards or small lots below market and resell them on eBay | Pricing knowledge and fast listing |
| Breaking down lots and collections | Buy bulk collections, pull the good cards, sell them as singles, and sell the rest in lots | Sorting speed and patience |
| Grading | Buy raw cards you think will grade well, submit them, and sell the slabs | Condition judgment, and cash you can tie up for months |
| Card shows | Sell in person at shows and local events | A deep inventory and comfort selling face to face |
| Your own store or live selling | Run your own website, or sell and host breaks on a live app like Whatnot | An audience, plus more setup |
If you're starting a sports card business on a small budget, flipping singles and breaking down lots on eBay is the simplest place to begin. You don't need a website, a storefront, or an audience. You need a phone, good photos, and a way to price and track each card.
Narrow it further by sport, era, or price range. "Modern basketball rookies under $50" is a business you can learn quickly. "All cards" is too broad to learn.
Step 2: Work out your startup costs
There's no fixed amount. Some sellers start with a few hundred dollars of inventory, and others start with a collection they already own. Know your number, and split it between inventory and everything else.
Fill in this budget before you buy anything:
| Cost | Your number | Notes |
|---|---|---|
| Starting inventory | $ | The biggest line. Keep some cash back so you can buy when a good deal shows up. |
| Supplies | $ | Penny sleeves, top loaders, team bags, envelopes, bubble mailers, and a small scale |
| Photo setup | $ | Your phone is enough. A plain background and steady light help more than a new camera. |
| Grading | $ | Only if grading is part of your plan. Budget for the fees and shipping both ways, and expect the card to be gone for weeks or months. |
| Business registration | $ | Depends on your state and whether you form an LLC. Many sellers start as sole proprietors. |
| Software | $ | Inventory and listing tools. Many have free trials. |
| Card show tables and travel | $ | Only if you sell in person |
If a cost doesn't help you buy better, list faster, or sell for more, it can wait.
Open a separate checking account for the business, even if you don't form an LLC. Run every card purchase and every payout through it. Then your bank statement is also a record of what the business spent and earned.
Step 3: Check registration, permits, and sales tax
You don't need much paperwork to start, but you do need to know which rules apply to you.
- Business structure. If you sell under your own legal name, you're a sole proprietor automatically, and the SBA says you won't need to register anywhere. If you use a different business name, many states require you to register it as a DBA, short for "doing business as," so check with your state. An LLC protects your personal assets from business debts and lawsuits in most cases. Forming one costs a state filing fee, and the amount varies by state.
- Local license. Some cities and counties require a business license or tax registration, even for home-based businesses. Check your city and county websites.
- Sales tax. eBay calculates, collects, and remits sales tax on orders shipped to every U.S. state that has a sales tax. Other marketplaces may do the same under state marketplace laws, so check each platform's tax page. When you sell at card shows or on your own website, no marketplace collects the tax for you, and you may need a seller's permit from your state. California, for example, requires one for sellers at special events. Some states require a permit even if you sell only through a marketplace. Texas, for example, requires one for sellers based in Texas.
- EIN. An employer identification number is a federal tax ID for a business. The IRS issues them online for free, so don't pay a third-party site for one.
Rules vary by state. Check your state's revenue department before you sell in person or through your own site.
Step 4: Source inventory you can sell
What you pay for a card limits what you can make on it. If you overpay, a good listing won't fix it.
Places sellers source cards:
- Local card shops, especially trade nights and dollar boxes
- Card shows, where you can check condition in hand and negotiate
- Facebook groups and Marketplace
- Estate sales, garage sales, and people selling a collection they've had for years
- eBay itself, through auctions that end at odd hours, poorly titled listings, and bulk lots
- Breaks and hobby boxes, though opening sealed product is a gamble, not a sourcing plan
Before you buy, check sold prices for the best cards in the lot. Our guide on how to pull accurate comps shows how. Then work backward. Estimate what the cards will sell for, subtract fees, shipping, and supplies, and see what's left for you. If you can't estimate that, pass.
Record what you paid the moment you buy. For a lot, write down the total and the number of cards. You'll need that cost for profit and for taxes, and you won't remember it six months from now.
Step 5: Decide what to grade, and what not to
Grading can raise a card's value, or it can cost more than it adds. For example, a $20 raw card that grades high can sell for much more in a slab. If it grades low, you may end up with a card still worth about $20, plus a grading bill.
Grade a card when it's in clean condition, the gap between raw and graded sold prices is large, and that gap covers the grading fee, shipping both ways, and the weeks or months your money is tied up. Skip cards whose raw and graded prices are close, and cards with visible wear on the corners, edges, or surface.
Before you submit, run the numbers with the PSA grading ROI calculator, check condition with the PSA grade estimator, and read the PSA submission checklist so a paperwork mistake doesn't cost you. If PSA's prices don't fit, the PSA alternatives guide compares other graders.
Step 6: Start selling on eBay
For most new card businesses, eBay is the right first channel. eBay says its trading card market reaches millions of buyers. Its Sold items filter shows recent sales of the same card, and eBay handles payments and sales tax collection for you.
Set up eBay like a business from the start:
- Choose an account type. You can register a business account or switch a personal account to business in your account settings. eBay says that once you switch, you can't go back to a personal account.
- Build shipping policies for cheap raw cards and for tracked packages.
- Set a return policy you can live with.
- Write a title template so every listing includes year, brand, set, player, card number, parallel, and grade.
- Shoot front and back photos in the same spot with the same light every time.
The guide on how to sell sports cards on eBay covers your first sale. When you're listing in volume, the eBay listing workflow shows how to bulk list with a Seller Hub template. For photos, see photographing cards raw and slabbed. For shipping, see how to ship sports cards on eBay.
Once eBay runs smoothly, add other channels one at a time, such as card shows, Whatnot or other live-selling apps, consignment for high-end slabs, or your own website. Each channel adds work, so add one only when you have inventory it would sell better.
Fees differ by platform and change often. The sports card seller fee cheat sheet compares them side by side.
How to start a sports card business online
An online card business can run entirely on eBay. Build your own website only after you have repeat buyers who would follow you there. A store builder like Shopify or Wix gives you a storefront, but buyers still have to find it, and eBay already has them. Instagram, TikTok, or X accounts can send people to your eBay listings while you build an audience.
Step 7: Price from sold listings, every time
Asking prices show what sellers hope to get. Sold prices show what buyers paid, so set your price from sold listings.
- Search eBay for the exact card, with its year, set, card number, parallel, and grade or raw condition, and turn on the Sold items filter.
- Look at the most recent sales and throw out damaged copies and lots. eBay's regular search doesn't show what the buyer paid when a Best Offer was accepted. Its Product Research tool in Seller Hub does.
- Compare raw to raw and graded to graded, with the same grader and grade.
- Pick a price in that range based on your photos, the card's condition, and how fast you want to sell.
- Before you list, check your profit at that price after fees and shipping.
The eBay sports card profit calculator guide walks through that last step, and the free profit calculator does the math.
A base card and a numbered parallel of the same card can sell for very different amounts. If you aren't sure what you have, read the parallels, serials, SP and SSP guide.
Step 8: Track inventory from the first card
If you skip this step, you can't tell whether the business makes money.
For every card, record:
- What it is, including player, year, set, card number, parallel, and raw or graded
- What you paid, including its share of a lot price and shipping
- Where it is, such as in hand, at a grader, listed, sold, or shipped
- What it sold for, the fees, and the shipping cost
- The profit on that card
A spreadsheet works for a while. The sports card inventory spreadsheet guide lists the columns to use and what tends to break as a sheet grows, such as duplicate rows and missing fee math. Two more problems are lot costs that never get split across cards and sales that never get matched to what you paid.
An inventory app keeps those records connected. Here is how CardZen handles them:
- Capture. Take front and back photos in the CardZen web app, or upload photos you've already taken. CardSense, CardZen's AI card reader, fills in the player, year, brand, set, card number, and parallel for you to review. On slabs, it also reads the grading company and grade.
- Pricing. Each card's page shows recent eBay sold prices for that card, with current listings on an Active tab. Batch review shows an eBay comps price for each card, based on recent sold prices when CardZen has them and on current listings when it doesn't. Comps are for reference. You set the price.
- Listing and sales. You list cards to eBay from CardZen, and CardZen syncs your eBay listings and sales back.
- Cost and profit. Link a purchase to its cards and CardZen splits the cost evenly across them. You can change any card's share. Once eBay's fees and the card's cost are recorded, each sale on the Sales page shows net profit after eBay fees, the shipping label if you bought it through eBay, and what you paid for the card. Supplies and other costs go in Business expenses, and the Cash flow report shows your profit after them.
If you're comparing tools, the roundup of the best sports card inventory apps covers the main options.
Step 9: Keep records for taxes
Profit from selling cards is taxable whether you treat it as a hobby or a business. The IRS says that if you sell goods, you must report all income on your tax return, whatever the amount. If it's a business, you can deduct business expenses, which IRS Publication 334 says must be "both ordinary and necessary."
For tax year 2026, eBay and other payment platforms must send you a Form 1099-K when your payments exceed $20,000 across more than 200 transactions. eBay also sends one to residents of states with lower reporting thresholds. Its 1099-K page lists nine states and the District of Columbia for tax year 2025, including Illinois, Massachusetts, and New Jersey. The form shows your gross payments. Your records show what it cost you to make those sales.
Keep:
- Receipts or records for every card or lot you buy
- Grading invoices
- Supply and shipping receipts
- Platform sales reports and fee statements
- Mileage and costs for card shows, if you sell in person
Without purchase records, you can't prove what you paid, and your gross sales can look like profit. The sports card taxes and 1099-K checklist lists what to gather at year end, and the true cost of collecting guide shows which costs people forget to count. Talk to a tax professional about your situation, especially before you form an LLC or start selling in person in another state.
Sports card business plan template
You don't need a 30-page plan. You need one page you'll read again. Copy this and fill it in.
- What I sell. Sport, era, price range, and raw or graded. For example, "Modern NBA and NFL rookies, raw, $10 to $100."
- Where I buy. Your top sources and how often you'll buy from each.
- Where I sell. Your main channel, usually eBay, plus any second channel and when you'll add it.
- Startup budget. Dollar amounts for inventory, supplies, grading, other costs, and cash held back for deals.
- Pricing rule. How you set prices. For example, "Sold listings from the last 30 days, same grade, priced to sell within two weeks."
- Buying rule. The most you'll pay, as a share of the expected sale price after fees and shipping. Write the number down and stick to it.
- Weekly routine. How many hours, and which days, you'll spend sourcing, photographing, listing, and shipping.
- Tracking. Where each card's cost, listing, and sale will live, in a spreadsheet or an app.
- Monthly goals. Cards listed, cards sold, and net profit after fees, shipping, supplies, and grading.
- Review date. One day each month to check the numbers. Drop the categories and sources that don't make money.
Write your monthly goals in net profit, not gross sales. Gross sales can keep rising while profit falls. Net profit after every cost tells you whether the business works.
Common mistakes when starting a card business
- Opening sealed boxes to stock your inventory. What you pull is a gamble, so it rarely works as a way to stock a business.
- Pricing from active listings instead of sold ones.
- Mixing personal collection cards with business cards, with no way to tell them apart.
- Grading everything, then waiting months for slabs worth less than the fees.
- Not splitting lot costs across cards, so every sale looks like pure profit.
- Ignoring shipping and supply costs on cheap cards, where they can be most of the margin.
- Waiting until April to sort out your records.
Where CardZen fits
CardZen is inventory and listing software for card sellers. It shows sold prices for each card and handles the tracking, eBay listing, and profit-per-sale work in Step 8. It doesn't register your business, file your taxes, or buy shipping labels.
Start free with CardZen. The free trial is 15 CardSense scans or 14 days, whichever comes first, with no credit card required. After the trial, the Starter plan is $17 a month for 1,000 scans.
Last reviewed October 27, 2026. Tax, permit, and marketplace rules change, so check current IRS, state, and eBay guidance before you register or file.