That dime-sized stain under the engine is a bill in disguise. Small leak. Big invoice. Ignore it, and a tired gasket can drain oil past the point where hydrodynamic lubrication protects bearings; friction and heat then turn a cheap seal into major engine work. Fuel prices get the blame. Neglect earns it.Routine service is boringly profitable. Start early. You do not need a garage shrine: check tir...More