Be ready to demonstrate your RV is suitably registered, licensed and insured. The RV is full of nooks and crannies a massive trash can't fit into easily. All little RVs are going to have even smaller kitchens.
How much does it cost to build out a Sprinter Van into a home? This page should serve as a one stop shop resource. On this page I include a spreadsheet you can view that will show you (almost) exactly what we spent on the process.