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.
Give away a cat. Yesterday I found Gutalinka on the street. Someone put her in a carrier and preferred to forget. She looks healthy and well-groomed, 6-8 months old, knows the tray, very affectionate and sociable. If you decide to adopt her, I will help with sterilization and free temporary care during the holidays. Train station
