How to caulk a perfectly straight line: 1. Squirt some caulk in the area between the tape. 2. Smooth caulk with your fingertip. 3. Continue smoothing. 4. While the caulk is still wet, slowly and gently pull up the tape. If you wait until the caulk is dry then it will come up as well.
Magic Eraser uses... did you know you can cut a piece off and float it in your toilet overnight and voila! no more toilet ring! -clean window screens (even when they are still in the window) The website has a list of about 100 uses!