SaaS CAC Payback vs Cash Runway
A short subscription software decision problem. Use the supplied facts, commit to one action, then check your reasoning. Fictional practice; no leaderboard score is recorded.
Subscription software · payback period
It costs $900 to acquire a customer. Each customer pays $100 a month at 80% gross margin and stays about 30 months. Your cash reserves cover roughly four months of operating expenses.
| Given fact | Scenario data |
|---|---|
| Customer acquisition cost | $900 |
| Monthly revenue / customer | $100 |
| Gross margin | 80% |
| Customer lifetime | About 30 months |
| Cash reserves | About 4 months of operating expenses |