[emnudge]

My previous understanding was that service would be stopped once you hit past the free tier.

Upon review, it does not look like this is the case. I have several very low traffic projects on which would have never been anywhere close to the free limit. However, if I get involved in a random spam attack, it seems I could be on the hook for several thousand dollars.

This is incredibly dangerous. Netlify is often used as a beginner friendly free tier for static hosting. Not as something that is cheap, but as something that is free. This is just an overall dangerous position to put people in.

[LiamPowell]

It does say it's pay-as-you-go on their pricing page. However they probably should have a giant warning page for new users who don't know that this is how this kind of service works if they want to target the beginner web-dev market. As far as I know, no other similar service has this though.