1. What are the biggest mistakes the homeowners often make?
Taking on too much, using the wrong tools, not safety first, skipping important steps.
2. Share your mistakes when you were doing DIY.
One possible mistake: I once tried to fix a loose shelf but used a screwdriver that was too small, which made the screw slip and scratch the shelf. (答案不唯一，合理即可)
答案：1. Taking on too much, using the wrong tools, not safety first, skipping important steps.
2. One possible mistake: I once tried to fix a loose shelf but used a screwdriver that was too small, which made the screw slip and scratch the shelf. (答案不唯一，合理即可)
