Will Lipovsky is CentSai's do-it-yourself guy. We have nicknamed him Mr. Life Hack. He lives a simple frugal life, has tried living on Soylent, and has taken women out on dates using Groupons. Here he takes us to his home state of Nebraska and shows us how simple it is to do an oil change on a car. Money saved: At least $20. Hey, it adds up over time!