Some of the people on the forum have had ten or more RVs through the years, ranging from teardrops to Class A's and everything in-between or beyond. Some of this is driven by changing circumstances and needs such as when the kids leave home, and some by changes in travel style over time. I have an uncle who is a natural-born horse-trader, so rigs only seem to last a couple of years before he changes it up.
We have owned three travel trailers, starting with a teardrop which we towed with what we owned. The next two each required successively larger tow vehicles, which gets expensive. I started out trying to blend my personal desire
for a smaller daily driver with our need
for a stable, safe towing experience as there is an inherent instability in towing, where you are connecting a large heavy box on wheels to another vehicle by means of a somewhat tenuous flexible connection system.
/ Audi Q5 experience was excellent. The current Jeep / Escape
21 experience is acceptable, but still a notch lower overall. While I thought I had super-sized our current tow vehicle by getting a 7,200-lb tow rating, it turns out that I personally wouldn't want to tow anything much heavier with it than our 5,000-lb GVW trailer. I found myself pondering Steve Dunham's respect for the 6.7 Cummins diesel as we towed over rolling topography yesterday and the transmission moved quickly through five of the eight gears.
As far as what's realistic, almost anything is workable. I used to spend a week backpacking above timberline with 28 pounds in my pack. Personally, I would live with less trailer, but this one best satisfies both parties in our household so I am embracing the experience. It's up to the decision makers to decide what works for you.
You might want to cast a broader net on the RV side as it's tough to select equipment without having much experience in using it. Renting to gain additional experience or even as a final solution might even have some merit.