You don't need to spend more than $50... check this out.
It's a 16mm (10 awg) Hi-End Rhodium plated 4N OFC 99.997% pure power cable. I don't think anyone (even Mozart) can tell any difference between this $50 power cable and some stupidly expensive (treated with snake oil) AQ or SR power cable.
https://www.ebay.com/itm/BLE-Design-16mm-10ga-Hi-End-Rhodium-Plated-Audiophile-Mains-Power-Cable-6-f...
https://www.ebay.com/itm/BLE-Design-16mm-10ga-Hi-End-Rhodium-Plated-Audiophile-Mains-Power-Cable-6-f...