It looks to be very expensive!
What is the problem with where you are planning to park your Aframe? Incline? Maneuver room? Other?
Maybe there is an alternative that is cheaper and just as easy to use...
Deb & Gary
2007 Ford E150 cargo van, 2012 Rockwood Premier A126
Everybody needs beauty as well as bread, places to play in and pray in, where Nature may heal and cheer and give strength to body and soul alike._ John Muir