Service stinks

I ordered an Echo dot 4th generation speaker on the 9th November 2022. The item was with the courier on the 11th November and when it was not delivered I contacted the contact centre who said they coul not find the address. I have sent numerous item through Takelot and they were all delivered to the address. They did not bother phoning the contact person and the courier then sent the parcel back to the supplier. Now they don't have stock of the item any more and it is my grandsons birthday today. The call centre keeps on promising that they will call me back but that never happens. I now need to speak to someone senior, whom you just can't get hold of. I hope someone from makro will respond as I don't know where to from here. Their service stinks and they just don't care about their customers. At this rate they will not be around much longer.