The way RVs are used makes them maintenance intensive. Just think, you are going 60 mph down a bumpy road in a rain storm. That is like your sticks and bricks home being in a earthquake and a hurricane at the same time.
I agree with Wildman that quality has taken a significant turn down in the past 2 years. Blame it on assembly lines running at full speed and heavy worker absenteeism/turnover due to the pandemic. The years before 2020 were not much better. The industry crashed in the 2007-08 economic crisis. The companies left standing merged and streamlined operations. The result is that 2 holding companies, Thor and Forest River, now own 90% of the market. Added to that brew is that Lippert, INC has become the sole source for frames, doors, window, axles, etc. My experience with Lippert is that they buy Chinese metal by the ship load and design their products to barely meet useful standards. Oh yeah, RV trailer tires are heart breakers too. Do a google for "China Bombs" for an afternoon of reading.
I have had 3 RVs. The first was a 39" toyhauler from XLR. I bought this when I was still active with motorcycles and was approaching retirement. I was happy for a while, then the problems started. I owned the trailer for 3 years. I had a great time and visited some far away places. My RV also spent a lot of time in the shop. I sold it after 3 years. I wrote a story about my experience.
https://www.irv2.com/forums/f49/three-years-with-a-thunderbolt-291331.html?highlight=thunderbolt
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My next Rv was a car hauler w/living quarters. I bought this when My wife and I bought our TJ. I loved the way it was constructed. I felt like I didn't have to worry about it melting in the rain or falling apart on the highway.
The aluminum skin and walls made the camper hard to heat or cool in extreme temperatures. The fact that you had to crawl up to the bed (in the overhang) wasn't so great either. Eventually, my wife asked for a Class A coach.
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I read somewhere years ago that the average RV'er went through 3 campers before they found the "one". I laughed when I read this and thought, Not me. I am smarter than that. It turns out that I wasn't.