i swiped and ruined my character using the auction house please help

I swiped for the $100 celebration cuz I was just like oh I'm going to do this you know I'm only going to do it once just get a couple good pieces of gear that way I don't have to farm and then just play but transferred all my stuff too early got rid of my signet and now I'm just like wow I just wasted $100 to ruin my character and I'm thinking about quitting the game I've been having a lot of fun and I was just like oh yeah something just to gelp boost the grind but the fact that I can just ruin my character like that even though I got all purples now I feel so much weaker I'm a great sword dagger and I don't know what to do I kind of mixed the gear of like two builds and I just don't know what I can do to fix it or get my old gear back or get my 5000 lucent back I want to just resell all the stuff I got but I can't because I don't have the old gear I transferred into it help people who comment under this I will send you pictures of my character and gear that way u can better help