- Less is more. Use only as much tape as you need. I know it is fun to completely seal a piece of paper onto a window such that it will withstand an alien invasion, but perhaps using a couple of small pieces of tape will suffice.
- If the tape is strong enough to rip off your skin . . . you might want to think twice using it on your windows. Duct tape, packing tape, and stranded tape have very strong adhesives. Try to keep them away from your windows.
- Masking tape is better than strong adhesive tape, but it still leaves a heavy residue. Actually it is not too hard to clean off, but it is messy enough that you may want to choose a different kind of tape.
- Never use tape on windows with an adhesive tint. The tape adheres too well, and you can't scrape it off the tint without damaging it. (See this blog posting from April, 2010 on "4 things to keep in mind when considering tinting your windows" for further explanation.)
- Whenever possible use suction cups and/or a clear plastic sheath to hold your sign.
- Use a clear and mildly adhesive tape, like Scotch tape, when needed. It is still not super easy to get off, but it seems to be an acceptable alternative.
This is the window of one of the Downtown Athens restaurants we clean . . . covered with event flyers and tape.
If you have other ideas that work share them here with others.