The cost of bad troubleshooting

On Tuesday night the 12th of September I lost connection to the internet, the next day I phoned their service desk where they confirmed my logon details and router settings and gave me alternate account settings to test which all failed. I was then told that it could only be my router then and I should get another one, not having a spare just lying around, I bought one for R360 at a very inconvenient time of the month (I get paid on the 20th) only to go and test it on Friday when I got it and find that the issue remained. Phoned again only to hear that it seems to not authenticate on the exchange. After another port reset and some time, the connection was back, on my new unnecessarily bought router and even on my "broken" router. Due to limited troubleshooting steps by their support, I forked out money that could be put to use for much better uses, like daily food