Some of my favorite tips either from others or something I figured out...
-Using sewing tape to mark my 1/4" on my machine plate till I bought my 1/4" foot
-Using an index card to put a block on to get an exact 1/4" in hand sewing...bigger block, just tape the cards together and use a ruler to match up the lines.
-Use post its to mark mags and catalogs for quick and easy find of project or notion
-Use a dryer sheet to clean my rotary cutter's lint and cutting board
-Use an acrylic paint brush, (for watercolors) to keep the lint cleaned out of the sewing machine...it clings to it like magic! And, you can easily pull it out. Here's just a few of many great hints of great help! Skeat