Case in point, when youre placing an ad or responding to an ad, avoid using your personal phone number to communicate with buyers or sellers. Otherwise youre asking to be bombarded by a number of unwanted spam and scam calls. Dont believe everything you hear.

Can someone hack your phone with your phone number?

Your cell phone number is a single point of failure. Think about it. With your phone number, a hacker can start hijacking your accounts one by one by having a password reset sent to your phone. They can trick automated systems — like your bank — into thinking theyre you when you call customer service.