There are good options. Borg, rsync.net with zfs send/recv. Storage boxes from Hetzner

Hard to make a particular recommendation as backing up to the cloud is a popular option but depends on your upload speed and rate of data change. And depends how much you're willing to spend for what tradeoff

Storage box from hetzner is great. Hetzner is a good company, I'm glad that I'm doing business with them. The service is good, cheap, reliable, and... Un-american which means it would probably stay good and won't enshitify.

Use Hetzner! I'm not affiliated just a happy customer.