We knew we were going to put some serious miles on our van and didn’t want to have any underlying issues, so we didn’t look at anything over 50,000 miles.
If you know you will be staying primarily at campgrounds with running water, toilets, and showers, then you don’t need to include a bathroom in your conversion.
If your plan is to go completely off the grid, then you might want to invest in more water storage, solar panels, and batteries to make sure that you have everything you need to last your entire trip.
While traveling in a van does allow for more space than just a backpack or suitcase, it can be very easy to underestimate what you want and need to bring.