Bought a 2002 Cherokee Caravan knowing it would need a bit of work. I liked the layout of it and the fact that the master bed and dinette were slide-outs really sold me. Looks like it's going to need all new subfloor and some parts of the exterior and interior walls and styrofoam replaced due to water damage. Removed a ceiling panel today and there is some damage to the wooden ceiling joists as well. Question is where do I start exactly? Side walls first followed by front and back then ceiling and roof for last? It's a bit overwhelming but I'm good at woodworking, electrical and plumbing. Just kinda need a game plan. Looks like the interior and exterior walls are 1/8" plywood with styrofoam sandwiched in between. Should subfloor be replaced with 5/8" exterior plywood?