I use 3 Ghost blogs on a single VPS and love it. If you want to skip the hassle of setting things up (lets encrypt, backup, restore etc), you should check out c

I use 3 Ghost blogs on a single VPS and love it. If you want to skip the hassle of setting things up (lets encrypt, backup, restore etc), you should check out cloudron.io. They have a self-hosted option that runs on pretty much any VPS provider out there. Edit: also wanted to point out that Ghost is non-profit