I bumped into you and spilled your oat milk latte everywhere. You smiled and insisted it was fine, but I still owe you a replacement. Can I make it up to you?
Never pay down a deposit in a bank account until you have met the seller, seen signed a purchase agreement.
No serious private advertisers ask for a down payment before you meet.
Receiving an email with an in-scanned ID does not mean that you have identified the sender. You do this on the spot, when you sign a purchase agreement.
