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.
Five units of two self contained bed rooms are available for sale sale at 380m in Namugongo with each unit at 650k month and with a monthly income of 3.3m per a month all. The five units are seated on 25 decimals (100x100)ft with a private mailo deed.
