Dealers of car and their parts rounded out the top three, balancing $20.80 per hour or $43,260 each year. Postal Service, which used 190 techs and paid a mean $29.81 per hour or $62,000 each year. The expense of fixing rust damages can obtain relatively comprehensive if it's been enabled to go for a significant period of time, but with a little maintenance, it does not need to be so severe.