Brad, from 1972 to 2000 being on flat rate I would almost fight over a LOF at 0.2hrs. because I could sell Tune-ups, Fuel Filters, V-Belts, Wiper Blades, Leaking/Weak Shocks/Struts, Hoses and write up Oil Leaks and surface A/C leaks found. And made big money o... Login to read more.