All Gaps
Finance & Payments Last verified Mar 2026

SaaS Companies Lose 18% of MRR to Failed Payments. Stripe Recovers 23%. A $49 Fix Exists.

Stripe's default retries recover just 23% of failed payments. Churnkey fixes it for $250/mo. Build a lightweight dunning tool that does the same for $49/mo, targeting indie SaaS founders losing 5-18% of MRR to involuntary churn.

๐Ÿ’ฐ Revenue Potential
$7K-$74K MRR
โšก Difficulty
Medium ๐ŸŸก
โฑ๏ธ Time to MVP
6 weeks
A
Evidence Grade
Strong evidence from 5+ independent sources

What's inside

The Problem & OpportunityThe MarketDevil's AdvocateThe SolutionThe Business CaseHow to Build ItHow to Sell ItRisks & MitigationsWrap-Up ๐Ÿ”’ +more
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