I have a lot of components that are still attached to the cardboard reel tape (or whatever that's called) with masking tape. Many of these have been in my collections for years and I never thought at the time to un-tape them to avoid the goo all over the leads. For some things, the leads were long enough that I could just clip them off, and they're fine. However, I have a bunch of transistors and diodes where I don't have that luxury. Try as I might to cleanly pull the tape off, they've all got heaps of gummy goo on them.
I know WD-40 would take this right off, and Goo Gone will take it off after a soak, but I'm concerned about exchanging tape goo for oily residue. None of this matters for soldering I'm sure, but I still do a lot of breadboard experimenting and I'd hate to jam it up with goo or grease.
Do any of you guys run into this, and what do you do?