Simple storage on an incline (wheels chocked of course) is not a problem. If you are using our fridge, it become a concern. A slight level shouldn't impact it's operation, however anything visibly noticeable could be an issue. Other that the fridge, it shouldn't matter.
2015 Black F-350 Platinum Diesel Dually Crew Cab
2019 Riverstone Legacy 38MB (Full Paint/All Options)
2015 Voltage 3990 (Full Paint, All Options) Sold 6/18
2005 Harley Ultra Classic w/too many miles