We had similar concerns and similar relief when we traded from a 33' Class A to our Vegas 25.2. For us, there is more than enough storage room, inside and out, for everything we need for comfortable travel. We learned to leave out some things we used to drag along!
A wise person once said, "The secret to successful travel is to take half as much clothes and twice as much money!"
Only some of us learn by other people's mistakes, the rest have to be the other people!