The most expensive offer is the one you spend weeks building before anyone has done anything that suggests they will buy it.Would They Buy It? turns one product or service idea into a real evidence test before you spend more time, money, or ad budget. Record who the buyer is, what problem she is already trying to solve, whether she saw the actual price, what she did next, what alternatives she already has, and whether you can deliver the promise safely and profitably.The tool then gives you a transparent validate, pivot, or park decision. It shows which assumption is weakest and creates the smallest useful seven-day test to reduce that risk.Why this can save or make you more than $19:• Stop polishing an offer that only earned compliments, not buying behavior.• Catch a weak price, wrong buyer, crowded alternative, delivery problem, or unsupported claim before paying for traffic.• Give paid signals more weight than likes, views, votes, and vague encouragement.• Spend the next week testing the one assumption most likely to stop the sale.You receive a private offline browser tool with a five-entry evidence ledger, three alternative cards, a transparent 100-point score, automatic blockers, a three-price behavior test, a seven-day plan, local saving, JSON backup, CSV export, and printing.Immediate ZIP download. No account, login, installation, subscription, API key, or license key. Your evidence stays in your browser on your device unless you choose to export it.This educational tool does not predict or guarantee demand, sales, conversion, profit, or income. Small samples are directional. Single-buyer individual license. No refunds.