Less is more. We have had two, my dad several of all lengths. Short ones for higher drive vs. parking ratio trips, longer ones when they started long term parking all summer.
They won't leak and delaminate, they are very simple and easy to repair.
Most parts are readily available for all years.
We had season tickets for UF games for 20 years and had a 40' DP and other various motorhomes with slides and tons of storage. We decided to stop going this season and are going to sell the motorhome and look for used 31 AS with a slide and a gas 3/4 ton truck.
Life will be much simpler with less worries about things breaking.