These are items I use super often, so please keep in mind that I'll be really picky with them.
Items marked 99 are currently in use/part of permanent customizations/gifts and probably not UFT, but you can try.
Nonwearable: Ornate Room Key 5-Pack
Nonwearable: Many goodie bags, just ask!
Most items here will go for 1 GBC.
Nonwearable: Money Tree Cupcake