Depending on your perf requirements, you could use one of those S3 mounts and put stuff in Wasabi or Backblaze.

Also, a minute on DDG brought me to AlphaVPS[0]. No idea if they’re any good, but the point is there are cheap storage providers out there. It’s a matter of spending the time to find and vet them.

[0] https://alphavps.com/storage-vps.html