Please help! I have bought something off someone on depop and it has sent as an echeque and I have no idea why! She wont sent me the item until she has received the money so she send she would return the money once the echeque has cleared so I sent her the payment just by paypal to her email address and it has gone by echeque again!!!!!!!!!! HOW DO I TURN THIS OFF???!?!?!?!