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Selling personal items at a loss on Poshmark or eBay

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Can You Write Off Selling Personal Items At a Loss on Poshmark or eBay?

Short answer: Selling your own used stuff for less than you paid isn't taxable, and the loss isn't deductible.

You'll still get a 1099-K above the threshold; keep proof it was personal property.

Records to keep: Keep receipts, 1099s and platform tax summaries, a mileage log, and a note of the business purpose.