Thanks very much for everyone's comments and thoughts.
During the camping season we do have the fiver packed, fridge on, etc. so it is relatively easy to pack a few last minute items and go. That definitely helps. We took several weekend trips, one week long trip, and one 2 week long trip over the season so we did use it a fair bit; not as much as some but definitely more than a lot of people do.
We do also do our weekend trips at a park within an hour of home (when traffic is normal which is rare in this region now) because the time and fuel cost is just too much to go any further for a short trip IMHO.
My son definitely loves the hobby. He is truck and trailer crazy and has several toy trucks and fifth wheel RV's to pretend that he's headed out camping!
We have thought about a seasonal site because of the convenience factor; the only issue with that is that they cost an arm and a leg in this neck of the woods.
I guess deep down I know it is a lifestyle we love and will most likely continue with it. We certainly do have a lot of good memories camping over the years and that has increased with our son. We are on our fourth rig now and really like this one so we will likely keep it, although the thought of downsizing is somewhat appealing at times.
My wife's schooling is now almost done so that should free up a fair bit of time for next season.
I suppose that one gets a bit bogged down at times with this hobby/lifestyle and naturally starts to wonder if it is worth it, especially having just put the rig to bed for 6 long months!
It is great to read about people's experiences and thoughts. Please keep them coming!