tailscale looks good but all need to explore. I already got permission from wife to spend a little on a basic 2 bay ugreen nas..I don't need too much storage just around 2TB , so I can get 2x2TB for the cheapest ugreen nas (dh 4300 plus) .
Right now I only use around 300gb all photos/video of kid.
Main use is from once a year overseas trip where I will take a lot of videos on my phone in raw format and need to grade it and edit it for personal view/hobby). So remote access is important if I were to cancel my 2tb google sub which i'm now underutilizing it.