Finished leveling my mage team

[Peli]

as long as you're having fun!

Seriously consider the Ualaa/Mirai method for established teams (ABC are your established teams):

A does nothing
B refers D (D is new account)
C refers E (E is new account)

Account A (85) boost BCDE and you still get RAF. D & E once levelled can grant levels, and you can then transfer them to your other accounts. It means you're only paying for the cost of 2 accounts, + transfers.

I've always wondered with this - Do you have to buy WotLK to max out your boosting accounts? So you'd be buying two vanilla keys and two WotLK keys in order to level and boost all the way to 80, right?

[MiRai]

I've always wondered with this - Do you have to buy WotLK to max out your boosting accounts? So you'd be buying two vanilla keys and two WotLK keys in order to level and boost all the way to 80, right?

Yup.