You would pay a lot for the egress ($.08/GB or so) and it'd be painfully far away. MySQL ends up caching queries quite well for many web apps, so you quickly ge

You would pay a lot for the egress ($.08/GB or so) and it'd be painfully far away. MySQL ends up caching queries quite well for many web apps, so you quickly get into sub-ms territory for it to just return the cached answer. This all goes out the window, even if you're 5ms away (say DO in San Francisco to AWS in Northern California). tl;dr: Don't do it.