If you don't already own a drill... pick one up for twisting wire :) I did... and they are on sale for Fathers Day LOL
Could pick up a juice display rack
Some cotton pads for wicking if yer into that....
Some glass bottles for juice storage
Noalox for your mods if you need it.
Ultrasonic Cleaner for cleaning your tanks/coils/drip tips and ... steeping? Ive never used it for that, but I think I read someplace you can....