I had have several parking arrangements our old Terry TT was parked on the grass, then the new TT was on asphalt. I added 120 30A power and sewer. On our new house I had a concrete pad poured and added a sewer dump, water and 30a power.
2004 Chevrolet Silverado 3500 LT with a 2004 Jayco JayFlight 29BHS
2014 Greyhawk 31FS with a 2007 Tahoe toad
2014 Thor Palazzo 33.3 with a 2007 Tahoe toad