Nervous about an online selling meet-up? Arrange the location to be at a local police station. US and Canada allow for the transaction of online sales to be conducted in front of their property in accordance to the SafeTrade agreement. This is a great way to make sure you don't get ripped off/mugged/robbed when meeting to exchange.

Want to know if there are any embarrassing photos of you online? On PimEyes.com you can use their AI facial recognition technology to find every photo of you that exists on the internet.

Lose your cat or dog? Place used gym clothes on your front porch. Dogs can smell you from 1.24 miles away, and cats from 0.9 miles away. This will help guide them home.

Want to save money when you shop? Don't touch anything. It has been proven that by simply touching an item makes you more likely to buy it. This is a common sales tactic that salespeople use.

Wearing a red shirt makes women find you more attractive. Many studies have shown that women are culturally and biologically attracted to men wearing red.