Hi Tex! Just a few ideas:
Monthly stays at private parks are cheaper than daily/weekly rates (usually roughly half) and let you slow down the pace a bit. We try to do monthlies as much as possible.
Researching DOES take up a lot of time. I'm very thorough because we absolutely must have solid cell signal and a really big site, and I don't want to get stuck in a site we don't like for a month. What resources are you using? I start with Google and rvparkreviews.com to both find parks and check ratings. There are others, too -- Campendium, campgroundviews.com, and freecampsites.net are useful. There are also some Facebook groups dedicated to park reviews - https://www.facebook.com/groups/WheredYouStayRV/ and https://www.facebook.com/groups/rvparkrecommendations maintain files on lots of parks that you can search. Unfortunately it just takes time, but once you get more comfortable using search tools and finding a method that works for you, it'll get a bit easier. Don't trust the park websites - look for images on Google and GoogleEarth.
Explore other states. As someone else already stated, you can get a nice site in parks in TX for $400/mo. Unfortunately, we've found that AZ is expensive and pretty booked up in the winter. NM or NV might be better. The farther you get from major tourist attractions or big cities, the cheaper things will be (generally).
The basic TT membership does save you money but is difficult to manage when you have to work as you do AND only get 2 weeks in at a time, AND can only book so many weeks ahead. There are upgraded memberships you can buy (NOT @ retail price from TT, but through resellers) that will allow you to stay longer, not have to move outside of the system, and make reservations further in advance.
I echo the Escapees parks. We stayed at North Ranch in Congress for 6 weeks (in winter) and it was very pleasant. That also puts you only an hour from Phoenix area for shows/sales.
Besides TT and Escapees, other $$-saving memberships include PassportAmerica (10%-50% off nightly rates) and Good Sams, usually 10% off the nightly rate.
If you're reasonably self-contained, take a shot at boondocking (camping without hookups). There's loads of state and federal land out west, some with basic services like toilets and waste disposal. Freecampsites.net and Campendium are the best resources I've found for finding those.
Burnout is real. Hang in there! Or, if it's not right for you, take some time off the road to regroup. There's no right or wrong way to live.
-Andrea