At lest you can move it around once you fix the engine so to make life warmer / or cooler due you can put it in shade for summer and more in the open for winter to capture more Sun
I call $150 A Real Steal deal especially now your going from Cold Draft to Warm Luxury (even with the $300 tow)
i may be a nice idea to talk to your boss and see if he can squeeze you in for a couple of extra hours"built in 7,000 watt generator, 2 air conditioners, 2 propane heaters, propane hot water, 3 way fridge, a full length awning"