10 Lovable Mistakes to Avoid: Learn from Others' Errors
1. Trying to Build Everything at Once
The mistake: Prompting for a complete app with 10+ features in one go.
What happens: The AI gets confused, produces inconsistent code, or misses requirements.
The fix: Build incrementally. Start with auth and basic structure, then add one feature at a time. Test between each addition.
2. Vague Prompts
The mistake: "Make it look better" or "Add user management."
What happens: AI interprets vaguely, results don't match expectations.
The fix: Be specific. "Increase padding to 24px, use a softer shadow, change button color to blue-600." or "Add user profile page with avatar upload, display name editing, and email change with verification."
3. Not Testing Between Changes
The mistake: Making 5 changes before checking if any of them work.
What happens: When something breaks, you don't know which change caused it.
The fix: After every prompt, test the app. Click through flows. Check the console for errors. Only proceed when current state is working.
4. Ignoring Error Messages
The mistake: Just re-prompting the same thing when an error occurs.
What happens: Wastes tokens, often creates more problems.
The fix: Read the error message. Include it in your next prompt: "I'm getting this error: [paste error]. Please fix it." The AI needs to know what went wrong.
5. Not Understanding the Tech Stack
The mistake: Having zero understanding of React, Supabase, or how web apps work.
What happens: Can't debug issues, can't refine prompts effectively, get stuck on simple problems.
The fix: Spend 2 hours learning basics. Watch a React tutorial. Read Supabase docs. You don't need to be an expert, but basic understanding helps enormously.
6. Forgetting About Row Level Security
The mistake: Creating database tables without proper RLS policies.
What happens: Security vulnerability — users might see or modify other users' data.
The fix: Always specify RLS in your prompts: "Enable RLS so users can only access their own records." Test by logging in as different users.
7. Over-Engineering the MVP
The mistake: Adding admin panels, analytics, email notifications, API access... before you have a single user.
What happens: Weeks wasted on features nobody uses.
The fix: Build the minimum needed to test your hypothesis. One core feature, auth, and a way to pay. Everything else comes after validation.
8. Not Using Version Control
The mistake: Not connecting to GitHub or backing up code.
What happens: A bad prompt breaks everything, and you can't roll back.
The fix: Connect your project to GitHub. Commit after each working state. If something breaks badly, you can revert.
9. Fighting the Stack
The mistake: Trying to use Lovable with a different database, custom auth, or non-standard patterns.
What happens: Constant friction. AI trained on Lovable + Supabase pattern doesn't handle alternatives well.
The fix: Embrace the stack. React + Supabase + Tailwind works great. Fight that battle after you've validated the product.
10. Giving Up Too Early
The mistake: Abandoning the project after hitting a few obstacles.
What happens: Never ship anything.
The fix: Expect obstacles. Every builder hits them. The ones who ship are the ones who work through problems. Ask for help in communities. Simplify features. Find workarounds. Ship imperfect.
Summary Checklist
- Build incrementally, one feature at a time
- Write specific, detailed prompts
- Test after every change
- Read and address error messages
- Learn basic React/Supabase concepts
- Always enable RLS on database tables
- Start minimal, add features after validation
- Connect to GitHub and commit often
- Work with the default stack, not against it
- Persist through obstacles