Articles
Writing for people who buy things to sell them again - about the numbers underneath it, and what they tell you before you hand over the money.
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Reseller profit tracking apps, compared
Flippd, FlipperHelper, FlipAI, Flippr and Flippo, with what each one charges taken from its own pricing page. Which are free, which are scanners rather than ledgers, and where ours loses.
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Running your reselling books from ChatGPT
Recording a purchase in a sentence while you are still holding the box, and why an assistant that answers from memory rather than from your own rows is worse than no answer at all.
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Getting started with reselling
Sourcing from what you already own, the sold-price check that decides every purchase, what to subtract before calling it profit, and the habits that are painful to add later.
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How to manage SKUs
A SKU exists to find one physical object. Why encoding meaning into the code goes wrong, and why the code belongs to the unit rather than the product.
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When a reseller spreadsheet stops coping
A reselling spreadsheet works for longer than people admit. What actually breaks first is per-item questions and receipts - not the arithmetic.
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Why reseller software assumes you are bigger than you are
The best-known reselling tools solve crosslisting, which is a different job from knowing your margin. What they actually cost, checked at source, and what a smaller seller needs first.
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What item condition actually means
New through Broken, what a buyer reads into each grade, and why free-text condition quietly removes items from your own filters.
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What a flip actually made you
Sale price minus what you paid is wrong almost every time. What to subtract, why ROI is measured against the purchase price, and how to split the cost of a haul bought as one lot.