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.
Selling puppy care products because I had to return the puppy to the breeder. Everything is practically new, each item was used a couple of times at most. 1) Puppy shampoo, 500 dinars 2) Deodorant spray for puppies, 500 dinars