There might be more but this is the one I remember:
https://news.ycombinator.com/item?id=40481808 The gist is Cloudflare has undocumented traffic limits. If above a sales person will push you into an enterprise plan. Then if you go higher you’re told to upgrade again. Nobody knows what the limits are and the sales person will not tell you either. One user wrote “From personal experience I know that 10TB per month is like 30k/year”.
