I paid my rent three days early. I transferred $1,800 to my landlord. The payment went through. I saved the confirmation. Two weeks later, my landlord texted me: “Your rent is overdue.” I sent him the payment confirmation. He said he hadn’t received anything. I called my bank. They confirmed the transfer had gone through. They gave me the transaction reference. I sent it to my landlord. He said the reference didn’t match his account. I thought my bank had made a mistake. So I went to the branch. The bank employee pulled up the transfer. It had been sent to the exact account number my landlord had given me. I called him again. He insisted the account belonged to him. Then I asked him to send me the account details again. He did. I compared them. One digit was different. I showed him. He said he had never given me the other number. The bank investigated. They discovered…