You can use everything and just dump your account data frequently with Google Takeout. It's super simple to use and provides the data in a format you can easily upload to alternatives.
Google drive and photos are my primary data copy and the .tgz dumps are my backup.
The problem with this is you need to remember to do this often enough before the ban hammer falls. The only automated takeout default they allow is once every two months.
Google drive and photos are my primary data copy and the .tgz dumps are my backup.