If you are not going to elevate it - go to a moving company and get some of their wooden crates 8'x4'x6' (they will give them to you) - fit perfectly in the back of a full sized pickup (tailgate down). Frame it for strength, cut and hinge the portals and doors.

It will last about 3-years uncovered.

"The struggle you're in today, is developing the strength you need for tomorrow."