Research · 5 min read
Put Every Scoring Input on the Same Scale Before You Weight It
A weighted product formula can look precise while producing poor rankings. The usual cause is not the weights—it is the inputs.
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Practical guides on finding products worth selling — the metrics, the suppliers, the profit and ad-cost math, and the formulas behind them. No black-box scores.
Research · 6 min read
Add the Costs That Usually Get Left Out of Product Research
A product can look profitable in a research spreadsheet and still lose money once it reaches a real Shopify order. The usual cause is not bad arithmetic. It is missing arithmetic.
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Do Not Let Missing Supplier Data Score as Zero
A blank supplier field can quietly distort an otherwise sensible product score. If missing shipping cost becomes $0, the listing appears more profitable. If unknown delivery time…
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Calculate Contribution Margin Before You Compare ROAS
A listing can show an attractive product price and a respectable ROAS while still leaving very little money after fulfillment. The usual problem is sequencing: sellers compare ad…
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A Supplier Reliability Score You Can Add to Product Research
A product can look profitable in a spreadsheet and still create operational problems once orders arrive. The supplier may take five days to process an order, quote a delivery wind…
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Work Backward From Selling Price to Your Maximum Supplier Cost
A product can look profitable until every cost is included. The supplier price may seem reasonable, but payment fees, shipping, customer acquisition, and refunds can consume the m…
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How to rank supplier listings without letting one good metric hide three bad ones
A supplier listing can look excellent because one number is doing all the work. A 75% gross margin may outweigh slow shipping, weak stock and a declining trend in a simple score—e…
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The product-research spreadsheet I use before trusting a supplier price
A supplier price can look profitable until the rest of the order economics are added. A $12 item sold for $40 appears to leave $28, but that gap is not margin. Shipping, discounts…
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What Is Dropshipping Product Research? A Complete Guide
The metrics that decide whether a product is viable, a repeatable weekly research process, and the mistakes that quietly kill most stores.
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How to Find Winning Dropshipping Products in 2026
What actually makes a product a winner, the signals that predict one, and how to filter live supplier inventory down to a shortlist worth testing.
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