→ Architecture: will it hold up when real users show up?
→ Scope: what can be cut before launch without hurting the core idea?
→ Risk: payments, integrations, and App Store review, where launches usually break
→ Feasibility: can it work across mobile and web with the budget you have?
If I think the idea won’t work, I’ll say so before you pay me. That’s the point of an audit!