Originally Posted by sntaylor
On that note..... I stupidly set up my phone with my work email, can I change the email account details but keep the same market data? (just change the email account my phone is registered to?)
Short answer is no.
Long answer is you may have to work with individual paid apps vendor and google to transfer the apps.
If they are mostly free apps, I would suggest to take the effort to transfer to a long term personal email (i.e free one).
Also, in case you don't know, you can have more than 1 account on the phone. The apps work just fine, regardless of what account they are in.