Un-leveling the RV is standard for avoiding pooling water. I always raise the front by 1/4 bubble when heavy rain is expected. I just make sure I stay within the refrigerator level limits of 3* side-to-side, 6* front-to-back (looking at frig door).
2000 Winnebago Ultimate Freedom USQ40JD
, ISC 8.3 Cummins 350, Spartan MM Chassis. USA 1SG, retired;PPA,Good Sam Life member."We the people are the rightful masters of both the Congress and the Courts - not to overthrow the Constitution but to overthrow men who pervert theConstitution. "Abraham Lincoln"