Ahem, self-host and VPS on someone else datacenter is a bit an oxymoron... Sure, you own your part of the infra so you can migrate from a VPS vendor to another,

Ahem, self-host and VPS on someone else datacenter is a bit an oxymoron... Sure, you own your part of the infra so you can migrate from a VPS vendor to another, but you also need a homeserver with an equivalent albeit eventually less reliable infra to "self-host".