Hello, My wife and I are hoping to move to Oregon. We will likely use the RV to live in while building on some land. We are new to this and are Junior Seniors. (Over 50 and under 65) HaHa. We also...
Look at a big travel trailer. You can have it delivered if you don't have the proper tow vehicle. If you are not worried about reselling it later, look at "park models" -- they are essentially houses on wheels. A park model may be more difficult to resell, as it is really designed to be towed only once (yes, you can tow them more than once) and setup at a permanent spot.
Park model could serve as a very nice "guest house" when you are done building.