Buffalo international Logistics incompetence

I placed my order 8th October for R1688. I then got the email to pay tax for R390 as per usual everything was fine.however I received an email to say that my parcel is out for delivery and then straight after it was said that it could not be delivered and has returned to depot,I contacted them to inform them about this and I was assured that it will be sent out for next delivery. I patiently waited and received an email to say I need to pay and extra delivery fee of R92 which I did ,in order to get my parcel delivered and then receive my refund as it was not a fault on my side . I again recieved 2/3 emails to say my order has been delivered which it has not. No driver called me to notify me they on their way or that they have arrived at my address ( which they usually do). I have sent numerous emails to escalate this issue and I keep getting the same response about the system that says " client received" I have still not received my order andy patience has run out. They can't give me any information about who the supposed driver was and who signed for this order. I have told them that I live in a complex and I am notified as soon as j get a visitor or a delivery which has not happened. At this point I doubt that I will receive my order but I want to be reimbursed for my order amount,the extra delivery fee and VAT I had to pay for an order I have not received.this is unacceptable. However I have not requested a refund as of yet as my 3rd/4th escalation regarding this is still in process definitely not a service I will be using anymore.