tire shop people are the worst LOL. they jack your car at the wrong points. they over-torque your lug nuts. they don't clean the rim where the bead interfaces if you don't tell them to (you get slow leaks if not clean and smooth). they don't mark w/ chalk the valve position (so you don't have to rebalance). when mounting new tires they don't align the valve w/ the marking (to minimize wheel weights). when applying patch they don't wait the right amount of time to dry the rubber cement
then they put saliva on the valve to check for leak, which is gross haha
needless to say i directly supervise everything they do