Greed & Poor Service in General at AVIS/BUDGET

Rented a car at Avis via my insurance from 28 Oct - 11 Nov 2024.Today it's 31st January 2025 I still haven't received my refund. I've been calling to find out what's going on & each time I call a consultant by the name of Zandile says she'll call me back or she tells others she'll call me back in 30 minutes and days goes by without her calling. I still don't understand what is so difficult with refunding me back my money in time even, and they won't even pay me even an interest for this delay but had I delayed with their car I would be charged an interest. I don't know why Europcar left Rustenburg because the service a person used to get there was top notch. Avis service was my 1st time & already in disgusted to my gut. I even told my insurance to never ever hire me a car at Avis ever again. Their customer care service as well, it's poor man, so poor.