Day 009 / 100
3D Print Cost Calculator: What a Print Really Costs
A free calculator for the true cost of a 3D print, then a selling price. Content tool, not a proven SaaS.
46 / 100Hold as a business, ship as a free tool
CyberTrickz 100
100 days. 100 business opportunities. Researched before you build.
Evidence-led opportunity briefs for deciding what deserves a real validation test, and what does not.
9of 100 researched
No guaranteed wins. Every report separates facts, signals, anecdotes and assumptions, names the strongest objections, and includes kill criteria.
Day 008 / 100
Free UK Invoice Generator With a Late Payment Calculator
A free UK invoice generator that checks the invoice against GOV.UK rules and calculates late payment interest. Content tool, not a proven SaaS.
52 / 100Hold as a business, ship as a free content tool
Day 007 / 100
ScopeSnap: Free Scope Creep Checker for Freelancers
A free scope-creep checker: paste the agreed scope and the client's new request, and see whether to charge extra. Experiment, not a proven SaaS.
60 / 100Hold / validate the content funnel
Day 006 / 100
FirstRun: Watch 5 Fresh Players Experience Your First 30 Minutes
Watch 5 fresh players experience your first 30 minutes. Get the 5 fixes that matter most.
71 / 100Validate
Day 005 / 100
VoltReceipt: Traceable Workshop Test Reports for Used E-Bike Sales
Turn a workshop-performed e-bike battery test into a tamper-evident, QR-verifiable transaction report without independently certifying battery health.
67 / 100Interesting — needs a wedge
Day 004 / 100
DealProof Desk: Security Questionnaire Deal Rescue for Small SaaS
A fixed-price, human-reviewed security-questionnaire desk for small SaaS and AI vendors whose enterprise deal is blocked.
68 / 100Interesting — needs a wedge
Day 003 / 100
UsageProof: Post-Expiry Ad Evidence for UGC Creators
A creator-controlled workflow that records paid-usage terms, guides post-expiry ad checks, and produces a timestamped evidence pack.
70 / 100Validate
Day 002 / 100
UpdateTrace: WordPress Change-to-Impact Monitoring for Agencies
A WordPress flight recorder that aligns site changes with search, traffic and conversion anomalies, then produces a cited investigation brief.
68 / 100Interesting — needs a wedge
Day 001 / 100
Appliance Repair Missed Call Job Cards for UK Engineers
Turn an unanswered appliance-repair call into a structured, photo-backed job card before the engineer calls back.
72 / 100Promising
One researched opportunity every day
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