Welcome!
I bet you will like the challenges here then...they have them daily.
MISTI is a huge favorite.
Glimmer for foiling is popular...tons of product for it out there now. I have not gotten on that wagon. Look at spellbinders for that.
Layering stencils and stamps. I like the stencils-I was doing it anyway but you can get some very cool designs that way.
Since you sell...I might suggest the specialty dies that make fun folds or are interactive like the ones from Lawn Fawn. I want to get the magic iris myself.
See you around