[betageek]

"After a few hours of copying files, I flip the DNS switches"

WAT! Just add the domain to your hosts file with the WPEngine IP and test the site first, it's crazy to change your DNS without checking the site works first.

[STRML]

Absolutely, why would you ever do this without testing?

[jacques_chester]

Yep. Mea culpa.

I've learnt this lesson well.