Or possibly neither one, but this caught my eye in a very grassroots sort of way.
cheap trailer project
Negative tongue weight not a positive
Both, genius idea, insane execution.
Yes.
Seems a little pricey to me.
Genius. As long as you can get your car far enough up the ramp. Or, store a bathtub full of water in the camper.
Move the axles back a few feet and it could work. I wouldn't haul a rock crawler on it, but a track day Sprite would be perfect. As a bonus, you have a "deck" to party on at night.