24 / 42
Annual maintenance wards off many HVAC problems. If you do have a failure, you can usually fix it yourself. If your AC unit is working but has become noisy, you can fix that, too!
If it's your furnace that needs attention, you can perform routine maintenance, and handle simple repairs yourself. Plus: Learn how to choose furnace filters and how to replace furnace filters yourself.
25 / 42
A garbage disposal is a bit scary when it's turned on and the blades are noisily chopping up kitchen waste. But, if your disposal gets stinky, fear not. It's easy to clean out the gunk and get rid of the smell. If the splash guard needs replacing, you can do that in 20 minutes! If you need to replace the entire disposal you can replace it yourself.
26 / 42
Don't automatically avoid a project just because it involves electricity: Replacing a standard light switch with a dimmer switch is a very doable DIY project, as is replacing a three-way switch.