9. Windshield Wiper
Estimated New Cost: $62-84*
Estimated DIY Cost: $2.96*
Even though windshield wipers only cost $20 to $30 in the real world, labor costs can sometimes drive up the cost of replacement to over $80. It is evident that one car owner chose to forego that expense by using a kitchen sponge to attach to the wiper stick rather than replacing the wiper.

Windshield Wiper via Pinterest/VValerie M. Leon
He’s going to have problems if more than a tablespoon of rain falls, even though the inexpensive solution might hold true for a small portion of the windshield. He could be able to use this “fix” to drive around for however long he wants, as the driver’s side wiper seems to be functional.
