The Amazon mid-back mesh chair served me well for occasional work from home but the lumbar support snapped off and it's time to invest. Help me, hive mind!
https://www.steelcase.com/products/office-chairs/cobi/
I like to work up high and transition from sitting to standing. The foot rest is a god-send for me.
I'm pretty high-energy and fidget/shift throughout the day, so this chair is awesome.
I would have bought a Herman Miller Aeron Stool, but I bought two Steelcase used for about $500 all-in.
If you are luck, you can find one at good price used on facebook marketplace.