Angry customer

I have ADSL with Telkom for more than 5 years now. I've upgraded to a faster one last year when I started working from home. I work from home full time. It has it's bad days where the network is slow and making it difficult to do my work. That would be sorted as soon as I call them. The masterpiece was this week. Since last week Sunday the wifi hasn't been working and I've been calling them everyday to ask what is the problem. Everyday since Sunday they've been saying the matter has been reported and the technician has been allocated. It's the 7th day today wifi is still not working. Yesterday when I called them this agent told me that there was cable theft which has been reported to whatever department and they will be sending the report to their materials department. Now my issue is what do i do now. The whole week wifi hasn't been working how do I catch up on the work that I was supposed to do