mail in the freezer + smash robot

13. If you have already sealed an envelope and realized you forgot to put something in it, place the envelope in the freezer for a couple hours. It will pop right open so you don't have to get another envelope.

that was tip 13 on a long list of household tips that i found on Pinterest.

14. get your robot to do all your work so you have more time for envelopes

Smash-girl really has a knack for robots.