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.
Vanguard waist bag for camera (very dense walls) / for dog owners can also fit or just run to the store. Washed, a small spot is not very noticeable, it is visible in the penultimate photo.
