I’m actually thinking it would be cheaper to buy a different crank set in the long run, one without proprietary rings.
Definitely merit in that. When the proprietary direct-mount chainring on my Deore M6100 cranks on one bike wears out, I’ve got an £11 adaptor to convert them to 4-bolt 104bcd allowing greater/cheap choice of chainrings: https://www.ebay.co.uk/itm/315718545125
Already do similar on my gravel bike: blingy Hope EVO cranks, Hope adaptor, and a <£10 steel N/W chainring from eBay which is lasting brilliantly: