I don't know that much about him - as you picked up things from elsewhere, me too! He was reckoned by many to be the richest man in the South, had several plantations and was one of the largest slave holders in the South but also was against the African trade and knew that slavery was going the way of the dodo. He was well educated but, like Forrest, had no military training and was a natural born soldier. He also raised troops and equipped them at his own expense. Stuart did indeed respect him if he didn't particularly like him! Stuart was too gaudy and showy for Hampton - Hampton was all business about war. If he hadn't gone home to South Carolina, Five Forks might well have gone differently - there sure wouldn't have been no shad bake! (Wouldn't have been with Stuart, either...) After the war he went on to become governor of South Carolina twice and had a lot of help from the Red Shirts. It's not known how much he knew of their activities or what involvement he had with them, but they did deter a crucial number of blacks from voting Republican - again, like Forrest with the klan, who knows for sure. And, like Forrest, he never recovered financially from losses during the war - in old age friends had to take up a charity for him - and he died in 1902. During the war, he was a heck of a fighter - again like Forrest, every time they ganged up on him he took out half a dozen!
Wade Hampton is well worth looking into - think you'll enjoy finding out about him.