I think there is a niche where it is too expensive to use AWS and it is impossible to do with traditional hosting. You can do well with Flannel, Rook and edge s

I think there is a niche where it is too expensive to use AWS and it is impossible to do with traditional hosting. You can do well with Flannel, Rook and edge servers as nginx reverse proxies with caching. You need to write scripts once (or use ready made recipes) and management isn't too hard - definitely doable for one man project if you set your expectations right.