Tow Dolly
I've used a tow dolly for 6 years, literally the only maintenance on it is tires every 2 years and grease the fittings in the spring. It takes less than 5 minutes to take it off at the campground and about 10 minutes to put it on. I'm on my 2nd vehicle towed and haven't had to spend a penny setting it up and never had any tow related damage. The dolly itself easily rolls into the yard of the campsite and only had one time where because of the hills around the site I had to put it in a parking area.
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