Oh, I also never needed all the space that larger campers offered inside (but I was SURE I did when I bought it). As far as cooking, we utilize the outdoors all the time. With the new one I made sure to have SPACE in my kitchen b/c was sure I needed it after having smaller trailers....
Annnnd I hated it b/c I found out I wanted to be outside so I could watch my kid on the playground and enjoy the atmosphere of the campground. We always tried to get a space close to the playground so I could watch the kid while my husband and I prepped dinner. With the larger inside kitchen I felt like I was isolated from all the fun and good weather. When we traded it in the microwave still had the plastic on the touchpad - I'd never used it once...
Smaller trailers kind of force you to "camp" more. But that can be fine depending on your travel style. I would rather carry a camping stove and set up an outdoor kitchen on a picnic table than be stuck inside - or tethered to an "outdoor" kitchen that some moron who has never camped a day in their life designed to "look" cool. that was another thing we found we really didn't use. We would much rather put the coleman stove on a table than be forced to stand facing the darn trailer :) I liked looking out at a nice view, not at the slab of fiberglass, while I am cooking. plus I can arrange my camp kitchen in many different ways to suite the camp site, i.e. put the EZ-Up on one side or the other, move it if a neighbor's campfire smoke is blowing my way, set it up on the other side of the trailer if it's windy. I just find it infinitely more useable than those so called "outdoor" kitchens made by camper manufacturers. but some people love 'em. You will have to decide your camping style for yourself.
Again, until you buy something and camp in it you will have no idea of what you will like. So buying something with the idea of not needing to upgrade is, while a good idea on paper, in reality is absolutely not practical once you try it. Ask ANY Rver how many rigs they have owned.... most will admit it took a few tries to get their perfect rig dialed in. Start small, and adjust up as needed.