Keep doing research so you don't replace in a couple years. eric99 is right. But some campsites get tough in the upper 30 footers. State Parks, small private, or big resorts will factor in size. After walking into 100+ used and more online, we aimed for a new Tiffin. (Previous maintenance is PARAMOUNT! Slide out seals are $1300 apiece; if the previous owner didn't maintain, you're hosed, etc.) Our 34' Allegro RED is dead quiet and pulls either a car, truck, or ski boat (when the grandkids are involved) with no problems. 4-down will save your hide.