SSH Virtual Hosting: No Host Header, but Public Key

Great idea with lots of use cases, but overpriced and seems excessively greedy. No demo account? No free trial? Not event signup without committing to a recurring sub? 25 VMs for $20/mo as a minimum? How about 2 VMs for $2 with free trial?

I was checking some of the bookmarks/reading-lists I had earlier, stumbled on this piece on the exe.dev's blog.