Some are easier than others. Some cost less than others. Some you can do yourself. Some you may need help from a professional.
Check railways, fences, and walkways.
Clear the gutters and roof.
Update exterior lighting.
Refresh exterior paint and stain.
Service the air conditioner.
Prep outdoor irrigation.
Fix damaged window screens.
Power-wash services.
Install or update ceiling fans.
Tackle outdoor landscaping.
Start kitchen renovation projects.
Update windows.
(BHG)