10. Door? Handled
Estimated New Cost: $99*
Estimated DIY Cost: $3.97*
There are undoubtedly a number of reasons why this doesn’t work, but it is undoubtedly creative. Why can’t duct tape be used as a door handle because it can be used to hold an airplane together? Someone fixed their door with a duct tape handle. The invention is great; however, the door looks fairly heavy, and it might come off after a few pulls.

Door? Managed by Pinterest and @rincevent
An honest-to-goodness $99 “Schlage Camelot Aged Bronze Entry Door Handle with Accent Door Lever” from Home Depot is out of reach for many people. Duct tape, meanwhile, runs $3.97.
