Went with a 2002 Ford E250 to stay on the cheap side. I've put about 4k in so far just to get the van and have it registered and I'm hoping to stay under 7k total. Needs to be capable of surviving long winter nights at a cozy temperature even when I'm not there. Starting with an interior touch up on some rust spots, I will follow with electrical wiring and go right to framing and insulating. I'll make sure to put an air vent on the roof for my propane heater system. I don't plan on a bathroom yet but I hope to make it so that it will be easy to work on in the future. Very excited to see this project through!