Quote Originally Posted by JOHNNY_ODAE: @Getty3 Great skill to have, maybe you can pass it on but probably will die on the vine. The cheap oil change is a loss leader for the shops to convince you to replace your wipers, air filter, cabin filter, fuel filter, upgrade the oil filter etc. It's not unlike auto dealers who give you "free" tires for life as long as you check in with them every 3 months for an oil change, fluid inspection, alignment, etc. It's all short term loss for long term gain from the uninformed consumer. Knowledge has great value. But the folks who make a million dollars creating useful software have the last laugh. I'm comfortable with that. It's 2024 not 1984.