I had to share.
We bought this tent trailer / utility trailer about 2 years ago, for $3500 ish.
It is a utility trailer (fairly heavy duty as they go) most of the year for us, and a cabin tent with a QUEEN SIZE, ELEVATED BED (DH has bad back, can't sleep on ground any more) when we camp. The tent part is stored vertically against our garage wall when not in use, and there is a 6 ft wide cabinet for a kitchen (sink / counter and drawers), which swings out under the awning and attached to the inside tail gate.
Bikes fit inside the trailer when tent is folded, or on a trailer hitch, kayak goes on top. Lots of cargo room.
Towed with our luxurious (to us) 2006 Toyota Highlander... my DH loves to go 4x4ng for at least a couple of trips, and we are always towing this thing on logging roads up and down mountains, it seems. We definitely use the 4 wheel drive on those back gravel roads.
No one mentioned what we have been using it for, other than normal camping -- when we visit family out of town on semi-rural lots, and they don't have room for our whole family. It is nice to have our own bed, linens, feather duvet and "cabin" all to ourselves.
Cost for camping --
Nightly fee: $0 to $30 per night (rarely go to the $35 per night places, but having a power extension cord can be very nice for the laptop! campgrounds have wifi now, you know...) We get into quite a few forestry backcountry sites if we are 5 hours outside of a major urban centre.
Other goods -car camping (tent) standards of cooler, stove, chairs, etc. Screen tent (bugs!), kayaks, bikes, bug net, 2 cots for kids... folding mini table, lanterns, homemande rocket stove, campfire cooking, etc. $150+ per year, we always buy something it seems.
Camper repairs -- I will go with $75/yr. We will have to spray the utility trailer for rust each year because the paint job was not good... maybe replace poles or tires eventually, but this is made for rough roads with large tires. Canvas is durable.
Storage - $0
Purchase price $3500 (for dispaly unit, including the trailer which was at least $2k of that. Can haul a lot of broken concrete in this one!)
Camp average of 10 nights / year for 8 years,
Use utility trailer 15x per year to / from dump or supply store, rental value at $20/day
Average net cost: $40.75 per night -- assumes scrap value at the end of 8 years, but there will be some residual, I am sure.