Mega was my option for family photo storage. Mainly used for instant upload to a shared folder between all of us.

As an added step, with some automations, my NAS server (TrueNAS) would sync my mega photo album to my local Nas storage. Files older than two years would be purged from mega and archives on my home NAS would stay intact.

Since then though I swapped mega out with my own personal self hosted nextcloud instance.