Since you literally can't think of a single reason, I thought it would be fun if I tried to think of a reason that I had never heard before (or at least I don't

Since you literally can't think of a single reason, I thought it would be fun if I tried to think of a reason that I had never heard before (or at least I don't remember hearing). So here it is: Suppose that someone makes $20/hr but only works 20 hours per week. A second (unskilled) job that only pays $5/hr for 20 hours per week would be a significant increase in their income. In fact, where I live that would put them over what is considered a "living wage".