You know. I fix the toilet. The fridge. Furnace. The Vacuum Cleaner. The Washer and Dryer. I do most if not all my other stuff. If I need anything done any kind of trade wise, I do it myself. If you need anything you pay wholesale for it usually.
How much do you think that saves compared to the people you go and do work for where they have to pay you for it.
It's a pretty steep savings. Plus, most of the year, your driving the work van, and not shelling out gas money or anything. Customer is paying for that. There is enormous cash outlay other people in normal everyday occupations have to pay for that we generally do not.