If you're unfamiliar with the concept of arbitrage, here's how it works. Wikipedia describes an arbitrage as effectively, "the practice of taking advantage of a price difference between two or more markets: striking a combination of matching deals that capitalize upon the imbalance, the profit being the difference between the market prices." Clothier was able to identify arbitrage opportunities in the grocery industry with precision. 

During my high school days, I was a pretty decent golfer (about a 2-3 handicap, for you other golfers out there). I was asked by my local club professional if I would help him teach his junior golf clinics that summer. If you have specialized skill in any sport, there are definitely opportunities out there for teaching others the fundamentals (and getting paid).

You can generate a small side income taking online surveys — but don’t expect to be rolling in the dough. Survey sites don’t typically offer a big payoff, unless you invest a lot of time, and many sites are more useful for earning gift cards than cash. Some of the more popular survey sites include Swagbucks and Global Test Market. Read our analysis of a dozen survey sites to find out which one is best suited for you.
I came a low income single mother home. I earned two bachelors degrees, but had no car and no job to afford one. That killed my chances of working in either desired field after college. I worked part time for twelve years locally at a company, then was downsized. Mom died and I had to get an apartment. Still not enough money to risk getting a car when it could take from a month’s rent or more… that much closer to being out on the street with my belongings gone. I am really hopeful I can find something legitimate.