Use paper clips to organise your cables.
Stripped screw hole?
Break off a matchstick inside the hole and then screw away. (It’ll hold)
Lights that flicker or that trip the circuit breaker
Cause: Loose wiring or a light fixture that’s worn out and needs to be replaced.
Solution: Cut power to the fixture and investigate the supply wiring and the fixture itself. Replace wire connectors with new professional-grade types. Replace the fixture if suspect.
When you have to hang something with exact holes, photocopy the back and use as a template!
When using nails, wear a glove and stick the nails in your glove. This way you don’t have to struggle to get the nails!