This reminds me of the Tim Ferriss podcast "what purchase of $100 or less has made your life better" question. These two devices have dramatically improved ergonomics for me in various circumstances:

https://www.amazon.com/gp/product/B07SJZT7Q7 (I'll twist it around and sit comfortably on part of the gooseneck, which holds the phone up in front of me for a video call from the couch)

https://www.amazon.com/gp/product/B01C9KG8IG (Game changer for neck and shoulders when not at a proper workstation. Use with portable mouse and keyboard.)

I really like my Roost V3. It folds down to a great size and is VERY light weight.

Roost. Expensive but totally worth it. They’re on Amazon. Roost V3 Laptop Stand - https://www.amazon.com/dp/B01C9KG8IG/ref=cm_sw_r_cp_api_glt_i_PJ9PBSF049TEXTV7W6E4