If you've ever built an MVP and thought "why are we building this," this one's for you. Founders don't blow MVP budgets on hosting or tools. They blow it on decisions made before the first commit. Here's the dev-side checklist for spotting it early.
🚩 Spec covers "all users" instead of the first 10
If the ticket reads like a market requirements doc instead of "here's what these 10 people need to do," flag it. Scope creep starts here, not in sprint 3.
🚩 No kill criteria defined anywhere
Ask before you start: what does "this didn't work" look like, in numbers? If nobody can answer that, you're building something that will never get killed, only endlessly iterated.
🚩 Stack chosen for resume value, not delivery speed
A stack the team already knows cold beats a trendier one every time at MVP stage. If the stack was picked to look impressive rather than to ship, expect 3 extra months of ramp-up disguised as "setup."
🚩 "Working" is being treated as "done"
A passing demo isn't validation. If the roadmap jumps straight from "build it" to "launch it" with no user-testing step in between, that's a budget leak waiting to happen.
🚩 User feedback loop starts after the build, not before
Best practice: wireframe feedback in week 1, not user feedback on a finished product in week 8. If your team is the first to hear from real users, something upstream broke.
Quick reference table
| Signal | What it costs you | Fix |
|---|---|---|
| Spec targets "everyone" | Feature bloat, longer timeline | Scope to first 10 users only |
| No kill criteria | Zombie projects, sunk cost spiral | Define failure metrics pre-build |
| Stack picked for prestige | 2–3 months extra ramp-up | Pick for team velocity, not trend |
| "It works" = "it's done" | Ships unwanted features | Add validation step before launch |
| Feedback loop starts late | Expensive rebuilds | User input from wireframe stage |
Why this matters for devs specifically
You're usually the one who inherits the fallout: rewriting features nobody wanted, defending timelines that were broken before you touched the repo. Catching these five signals in the spec review stage saves you the rebuild later.
For teams that want this baked into process rather than caught after the fact, this breakdown of a structured MVP build process is worth a look, and if you're benchmarking dev partners who actually follow it, here's one worth comparing against.
Anyone else got a red flag to add to this list?
