Around 1990, I was at a gun show in Savannah, GA. There was a booth set up by the Sons of Confederate Veterans. I stopped by and talked to them for maybe a half hour. I think these guys were the most knowledgeable people I have ever been around concerning the WBTS.
They told me you could join if you had any ancestors who served in the Confederate Army. Beside my Mothers family who had a bunch who were in Alabama outfits, I had two GGFs who were in the 1st and 6th Florida. That was about all I knew but those guys told me both were considered some of the most elite soldiers in the whole Confederacy.
I have since looked up their histories and sure enough both fought in major battles until they were basically destroyed. What was left of both were reformed by combining about all the Florida Brigades into a new First Florida.
My step dad was Sons of the Confederacy, and I keep meaning to get around to joining, when I can get it together based on my family.