I also got the email error
Error: The specified email address is already in use.
at firebase.js:160
at XMLHttpRequest.e.onreadystatechange (firebase.js:145)
I've been wondering, and it's been keeping me back from doing so. If you buy, for example Angel Sacrifice, do you keep that upgrade even after you reset?
 "Auction House Game"){kind=icon}
 "AdVenture Capitalist"){kind=icon}
 "I Am An Insane Rogue AI"){kind=icon}
Check again, I've fixed yor account.