// slug: thrift-profit-scanner
Thrift Profit Scanner
Photo-first resale copilot for thrift, yard-sale, and estate-sale shoppers deciding whether an item is worth buying and flipping.
score82
price$15
mvp2w
riskdata
issue 047 / live week 21 - 2026
App ideas for vibe-coders who can build, but do not know what to build.
Simple app-opportunity notes with MVP scope, pricing angles, first-user channels, validation tests, and reasons not to build.
revenue-proxy scoring / no adult niche / markdown briefs
briefs/0216-thrift-profit-scanner.md preview
1# Brief 216 - 2026-05-20 2title: Thrift Profit Scanner 3score: 82 / 100, A vs cohort 4tags: ["resale", "vision", "weekend"] 5mvp: photo -> resale range -> buy/maybe/skip 6pricing: $15-25 / month 7risk: sold-comps data is fragile 8$ opp-lab read 0216
3,770 apps scored // source corpus
$15 builder tier // low-risk monthly
12 founding spots // annual bonus
founding 12
First 12 annual members get one private 30-minute idea review.
Send one app idea. I score it against the App Opportunity Lab rubric, walk through the scorecard, outline the smallest paid MVP, name the main risk, and suggest a 48-hour validation test. It is a research note, not a guarantee.
working cadence
The promise is visible work, not idea confetti.
- started
- week 19, 2026
- last shipped
- Rental Receipt Binder - 2026-05-13
- next planned
- Receipts + Notion - 2026-05-27
sample public preview
open the preview -> Every brief removes one decision instead of adding ten.
format same order every time
Seven sections, so you can compare ideas instead of rereading vibes.
001painA named person doing a specific thing at a moment of friction.1 of 7
002alternativesWhat they use today: sheets, notes, a paid app, or nothing at all.2 of 7
003mvpA weekend build list. The smallest thing that lets a stranger pay you.3 of 7
004pricingComparable products and rough willingness-to-pay math.4 of 7
005acquisitionThree first-user channels named clearly enough to test.5 of 7
006validationA 48-hour test designed to disconfirm the idea before code.6 of 7
007not-buildThe honest case against it. Always included. Sometimes it wins.7 of 7
builder library
open library -> Useful pages for people searching before they build.
learn
Boring Compliance App Ideas Are Better Than They Look
Why checklists, timestamps, photo evidence, and PDF logs can be stronger app ideas than flashy AI wrappers.
validateRevenue Proxy Scoring: How To Tell If An App Idea Might Become Paid
A simple way to judge whether an app idea has evidence of willingness to pay before you build.
validateValidate An App Idea In 48 Hours Before You Build
A two-day validation plan for solo builders who want evidence before spending a weekend coding.
pricing
Two paid tiers, one scorecard.
Builder is for finding ideas. Founder is for choosing between ideas you are already considering.
core weekly briefs
./builder
$15/mo
$144/yr annual
request-builder Full weekly app-opportunity briefs
Paid brief archive as it grows
MVP scope, pricing angles, and first-user channels
Validation test and reasons not to build
Revenue-proxy scoring notes
briefs plus review
./founder
$39/mo
$360/yr annual
request-founder Everything in Builder
Quarterly 30-minute idea review with the scorecard
Priority request-a-brief input
Deeper teardown notes on selected briefs
Founder-only notes on rejected or downgraded ideas
free excerpt
Get one useful app-opportunity excerpt when the next brief ships.
The free list is the low-friction way to see whether the research improves your build decisions before you pay.
Get the free weekly excerpt
Reply once and you are on the list. No spam. One useful excerpt when there is a brief worth sending.