I HATE spiders. Now my TT has these little spiders living in it. I don't know where we could have picked them up. There are lots of them. I tried spraying around the floor and corners with spider ...
People fog their houses all the time and survive. I would turn off the frig and water heater and close the propane valves first, then clean up well afterwards. Or just tow it north until you get to freezing temps and let it sit overnight with all doors and windows open.