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.
"first aid box" is a portable container designed to hold a collection of essential medical supplies, like bandages, antiseptic solutions, gauze pads, gloves, and other necessary items, used to provide immediate care for minor injuries.
