Harbor Freight Haul Master 1195 lb. Capacity 48 in. x 96 in. Heavy Duty Folding Trailer - $259.99 AC
The trailer is extremely inexpensive. It's rated for 55 mph. A lot of people on the internet report success at higher speeds but caution to repack the wheel bearings with a quality grease rather than what they come with. Surprisingly most of the reviews I came across were positive. One word of caution that the trailer is metric, which may make replacement parts in a pinch difficult to find.
This folding trailer only takes up 24 in. x 63 in. of floor space when folded, so it can be stored just about anywhere, but unfolded, it can handle up to 1195 lb.. Add plywood decking for a 48 in. x 96 in. bed. Hitch this folding utility trailer to a vehicle that has a 1-7/8 in. ball hitch to transport securely.
Frame folds to fit 2 ft. x 5 ft. 3 in. of floor space
Heavy duty steel frame with baked enamel finish
Frame has built-in slots for stake siding (stake sides and trailer contents not included)
Trailer bed tilts all the way to the ground for easy loading and unloading
Three leaf spring suspension
Two 4.8 x 12 in. diameter tires (spare tire sold separately)
Complies with applicable DOT standards