We joined Trailblazers, several years ago, and have attended several of the rallies. IMHO, as the saying goes, "You get out of it what you put into it."
We never would have met the Bennetts, if we hadn't gone to our first rally, in Jacksonville, FL. They are wonderful people who originally lived in and near the small hometown where my wife grew up! We met Dennis and Sue (inventor of the Trailmanor screen door) at a rally in Gettysburg, PA. Dennis died unexpectedly, last year; we will miss not being able to see Dennis again, but are better off for having met them both.
The annual fee is very small, but the possibilities for fun and fellowship are "priceless."
Happy Camping!