Very Useful Mini-guide, Thanks
Just a few comments/questions. Pardon my newbie's ignorance - I'm in the early stage of my quest yet.
1) Inspecting a used 5th wheel or travel trailer (not a self-propelled motorhome). Mechanic won't be very useful here (perhaps only for checking brakes and bearings). Major problem with old stick-built trailers (wooden frame with aluminum siding) is rot. Water gets in the walls through the seams (or sometimes from inside plumbing), and it stays there, causing rot and/or mold. There is no way to detect it reliably, without opening the walls, and sellers won't let you. Reputable brands sometimes have damage up to $7,000-8,000 in labor cost after 7 years - this job is difficult to do on your own. I saw rot damage in small localized areas around the door or washroom in units as new as 4 years.
All brands are susceptible to rot. Molded fiberglass units like Casita, Scamp, Bigfoot - mostly don't have this problem (maybe only floor if it's wooden), but those models are usually small and cost 2-3 times more than "stickies".
2) State sales tax - most states have it, and those that don't (or have it very low), either have RV prices higher, or fewer dealers , or are located farther from Canada. But that's OK, savings are still significant for Canadians. I only suspect that 7-8% state tax is not refundable when you import it to Canada. In other words, you pay total 19% tax (8% state and 11% GST+PST).
3) Insurance on newly purchased RV: if it's a towable unit, Canadian liability insurance of your pickup or SUV covers the trailer as well, AFAIK. But this is only liability.
4) Getting local state plates (not just temporary "paper plates") if you want to continue the trip for another several months after buying RV, and then may be heading up North to Canada. DMV requires some address - but not a legal immigrant status, right? So, providing temporary address of some RV park or address of mail-forwarding service would suffice, or am I missing something? I'm talking only about registration/plates, - not State Driver's License.