Tape Residue on Scissors?
The best thing for cleaning things like that is good ole WD40 it will not harm the surface and is not toxic in any way. I keep a can in the kitchen and the garage.
Grease Relief Cleaner?
The best grease or anything cleaner I have ever used is Greased Lightning. It cleans viturally anything. I buy it by the gallon at most any grocery or hardware store. At Menards you can normally get it for about $6-7 dollars a gallon. Believe me youll love...