I'm impressed that people can make free tiers like this work. Scaling N*$0 for N*(non-trivial work) is tough, even if you have M*$P in the background. I wonder

I'm impressed that people can make free tiers like this work. Scaling N*$0 for N*(non-trivial work) is tough, even if you have M*$P in the background. I wonder if these free tiers might be better off with something "almost free" like a token $1/year so you're getting people used to being charged.