The Life Hacks 2021 Day-to-Day Calendar contains entertaining and helpful hints to read and share, like using a beer koozie to ripen an avocado faster, hiding a pet tracker in the seat of your bike so you can find it if it gets stolen, and disabling the center speaker of your surround sound system to enjoy the big game without the annoying commentator. Life hacks are tips, tricks, and shortcuts that solve common problems, increase efficiency,...