Poor Third Party Claims Processes

I am having the absolute worst experience with FNB insurance. I have a third party claim with them, where their client admitted to being at fault. I had to source my own quotes to have my vehicle repaired and submitted ALL the require documents to them- this was confirmed by the person dealing with the complaint. Now, over a month has passed from the submission of all their requirements, the quotes have already expired and my emails/follow ups are being ignored???? Who will be paying for the increase in the quotes as I will not be quoted the same price for the repair with the time lapsed? The responses that I do get are short and not very helpful. This is the worst experience! Can someone please get to the point here and get this claim finalized so I can have my vehicle repaired! Loss Event: RMO01050 MAT17698 Faith Ncube has really not been helpful on this claim