We just replaced our 5th wheel with a 29' B+. Most of the time we camp at State, County of National Parks which are often not level. My recent experience involved needing to raise the front and one si...
I have only boards. I once had a site that was level side to side, but the front was very low, 6-8". I was able to make ramps with the boards that worked fine.
To solve the OPs problem I think a shovel would be the best answer.