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.
The refundable option on Expedia refers to bookings that allow for cancellations without penalty, +1-800→(651)→(8918)[US] ,or +44-203-376-3406[UK] typically offering a full refund if you cancel within the specified timeframe. Yes, Expedia offers a 24-hour refund policy, which allows you to receive a full refund if you cancel within 24 hours of booking +1-800...
