Bad service from service provider

I am not happy with the service that I got from Axxess DSL , at first in April I app**** for fibre services and on the 18th of April I was told my services where active from another service provider which I won't mention that covers the whole area where I stay , I paid prorated amount including monthly fee and still my services were not active. I was provided with the incorrect password , I logged numerous calls via email and I was taken from pillar to post it took them another month before my services where active they kept on saying I should put in the same incorrect password. Only later on I had to tell them that on the app it says my services are offline , only to find that it was activated from their end. Recently a few days ago I got a email notification stating that debit order method was removed from my payment method which meant I have to pay now in EFT or card payment . I sent them an email to reinstate my payment method via debit order there was no response . I then paid yesterday via Eft to avoid my services being suspended after payment I sent POP to their accounts department and I received notification that finds were allocated to my account. A couple of hours later a debit order runs on my account of the same account I have paid earlier on, I have been requesting a refund since from yesterday till now I haven't received a response . I have never received such bad service . Honestly connectivity is fine never had any issues with it but their customer service is very bad .