1) Better make absolutely certain that you understand their terms and exactly what you will be paying yearly. Divide that total sum by how many days a year you will be using it.
2) Make certain you understand what parks you can go to. And which you cannot.
3) Be very sure that you will use those parks every year enough to make this cost efficient. And will keep on doing that for years and years to come.
4) Look on the sites that sell these memberships from people who did not do 1 thru 3 and buy at a discount.
Frankly my personal view is that 1000 trails is the time sharing scheme of the RV world.
Arctic Fox 25Y Travel Trailer
2018 RAM 2500 6.7L 4WD shortbed
Straightline dual cam hitch
400W Solar with Victron controller
Superbumper