Separate from non-lock-in reasons, I'd consider using the hosted version if I could export data at a later time so I could go self-hosted in the future (say, if

Separate from non-lock-in reasons, I'd consider using the hosted version if I could export data at a later time so I could go self-hosted in the future (say, if I start writing some code for it and there's no API that does what I want).