Guides
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Card break cost basis: boxes, breaks and packs
How to set card break cost basis: split a box, case or break spot across your pulls by market value, what counts as cost, and how basis moves to each sale.
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Whatnot fees explained: commission, processing
Whatnot fees for sellers as of October 2026: 8% to 6.5% tiered commission on cards, 2.9% + $0.30 processing, the $1,500 singles promo and worked examples.
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Whatnot taxes 2026: what card sellers owe
Whatnot taxes for card sellers: income tax on profit, the $20,000 and 200-sale 1099-K test, who collects sales tax, deductible costs and records to keep.
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1099-K threshold 2026: $20k and 200 transactions
The 1099-K threshold for 2026 is back to $20,000 and 200 transactions. State thresholds, eBay and Venmo forms, and how to reconcile Box 1a to your profit.
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eBay trading card fees 2026: rates and examples
eBay trading card fees as of October 2026: 13.25% up to $7,500 (12.35% with a store), $0.30/$0.40 per order, why sales tax is in the fee base.
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Hobby vs business card selling: the IRS factors
Hobby vs business card selling: the nine IRS profit-motive factors, the 3-of-5-years test, hobby income, dealer inventory and the 28% collectibles rate.
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Card show sales tax for vendors: permits, rates
Card show sales tax for vendors: register before you sell, charge the venue's rate, price tax-included correctly and use resale certificates. 21 states.
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Trading card trades taxes: recording a trade
Trading card trades taxes: why the IRS counts the value you receive in a card-for-card trade, how to work out the gain, and how show states tax trades.
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Selling Pokemon cards UK tax: HMRC rules
Selling Pokemon cards in the UK: the £1,000 trading allowance, HMRC's 30-sale platform reporting, badges of trade, chattels and Whatnot UK and eBay UK fees.
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Whatnot post-show routine: profit and pick list
A Whatnot seller's routine after a show: which report to download, profit per show after fees and card cost, buyer bins, a pick list, giveaways and break spots.