****ed up after service

I have been experiencing problems with the after service between makro online and the courier services that they use. I purchased a router a month ago only to discover that it is not compatible with my router, I then logged a call for a return the same day and I all I keep getting from makro is that the courier company tried to call me with no luck. However when they delivered no one called me and I have been struggling with this matter going on a month now and I have passed the 7 day returns policy due to the unacceptable after service I received. I need to purchase another router as I am already paying for my data services and I cannot use them because makro does not want to take its product back. I have reached a Flashpoint whereby now we have a difference in opinion, emotions are high and there is a lot at stake.