>>oefrha+(OP)
Automotive repair products are oriented around business purchases and sales, so everything is expensive, and designed for professional repair of either lots of various customer vehicles or a managed fleet of vehicles.
>>oefrha+(OP)
A generic OBDII scanner that will read mileage and engine fault codes is not expensive, they are on Amazon and other sellers. The better ones run up to several hundred dollars. For some things you do need the manufacture's software but not for reading mileage and standard fault codes.