HOW TO UPDATE ADD BUYER NUMBER & EMAIL IN FACEBOOK
HOW TO TURN ON TWO FACTOR IN FACEBOOK
DON'T FORGET TO GIVE THE SCREENSHOT TO YOUR MIDMAN
After you did all the steps above!
Logout your facebook account first, before giving the facebook access to your buyer. Wait until he done checked and secured the account, before YostakaMM give you the payment.
REMINDER: Always check the middleman if poser or not!