Full-timers can be so much more flexible than weekenders and vacationers.
Don't go for the 'best' RV park. There are plenty of basic ones out there to give you a good night's rest while you're out siteseeing.
Go to popular national parks on the shoulder seasons, for sure.
We always traveled secondary highways.... so much more pleasant.
Many times we'd spend a month or two just in one state exploring every road.
For important dates, yes, make reservations but there's no need to do it for every single day.
Getting rid of all that 'stuff' accumulated for 40 yr. or so is truly liberating.
Explore the full-time section of this forum for lots of good information.
Here's an excellent site to learn about internet technology while traveling. This couple started out RVing and has added a boat. Interesting.
The Escapees RV Club has an excellent mail forwarding service. Also, here is a subgroup called Xscapers and many of them work on the road. They may be of help with technology, also.
Trust your wife intuition..... it'll work out if you let it. You'll have some bumps but they'll be laughable after a while. We certainly had our share!!