Reseller Guides

Practical guides on fees, taxes, sourcing, and scaling — written for eBay, Poshmark, Depop, Mercari, StockX, and every other platform resellers use to make money.

eBay Fees Explained: What You Actually Keep From Every Sale

A complete breakdown of eBay's final value fee by category, how payment processing stacks on top, and what promoted listings actually cost you.

The Reseller's Guide to Self-Employment Tax in 2026

What counts as income, what you can deduct as a reseller, and how to set aside the right amount every month so tax time isn't a scramble.

Clearing Your Death Pile: The 4-Stage System That Works

Every reseller has one. Here's the age-banded strategy for turning stuck inventory back into cash — without panic discounting everything.

Thrift Store vs Estate Sale vs eBay Arbitrage: Which Has the Best ROI?

Data from 500+ stokd users shows which sourcing channels consistently outperform — and which ones look good until you do the math.

How to Price Vintage Clothing for Maximum Profit on Depop and Poshmark

Platform-specific pricing psychology, the comps research process, and why your first price is rarely your best price.

10 Mistakes New Resellers Make (And How to Fix Them)

From buying without doing comps to ignoring platform fees, these are the most common traps that keep new flippers from turning a real profit.

Tools mentioned in this blog

Profit Calculator eBay Fee Calculator Poshmark Fee Calculator ROI Calculator Tax Estimator Lot Splitter