The DW and I came from a canoe and tent background. We wanted to sight see and tour. Our criteria was.
* A bed you can exit without crawling over your spouse.
* A pantry for food.
* A closet for cloths and linens.
* A bathroom and kitchen usable with out opening the slide.
* Room for two adults and a large dog.
We purchased a used 25 ft. Dutchmen at a price we could afford and a used F-150 at a price we could afford.
Keep in mind, 10 mpg, 250 to 300 mile days and 55 to 65 mph speed. You will be passed by everyone and you will discover the effects of cross winds.