People need to know the correct process to follow when you want to start a build.
1. Get an architect to draw you a plan.
2. Structural engineer.
3. Go for approvals from authorities
4. Get a good contractor.
5. Buy quality materials as guided by the structural engineer.
6. Regularly supervise the project and buying of materials and be present when delivery is being done .
7. Or should this be the first point , avoid short cuts in the name of trying to save money.