I look forward to your promised blog posts on how you've affordably built your scalable infrastructure. Is the basic principle to use cheap cloud VPSes or dedi

I look forward to your promised blog posts on how you've affordably built your scalable infrastructure. Is the basic principle to use cheap cloud VPSes or dedicated hosting (e.g. of the Digital Ocean, Hetzner, or OVH ilk)? And then you can afford lots of servers, and have then geographically distributed?