I just took 9 trucks + 1 ambulance = 10 x 2 days each = 20 + 1 day each tahoe = 22 days x $250 a day = $5500 Give it a variance of 2 days either way , and you come up with 5000-6000 in about 4 weeks. I've never done a fire truck though, it could take 3+ days each truck. A plane detailer might...