Is there a cheaper way back in

Well the boxing bug has me again. I'm looking to start up my 5 man again, But all my accounts are MoP lvl.
So upgrading all accounts is gonna be $250 plus the first month at $75.
I really don't want to spend this much at once but it seems like there is no way around it.
If I don't upgrade all the accounts at once will I notice it(I'm planning on a complete reroll so I wont be into WoD content for some time)
Will there be features on the WoD accounts that I wont be able to use on the MoP accounts?

And I see that the scroll of resurrection is gone so it looks like no amount of free game time is available

Any suggestions or advice

i think you underestimate how fast you will be at level 90+ WoD content.

Googling for you there are a number of discounted places http://www.amazon.com/World-Warcraft.../dp/B00GLZQO30 was ten (50$) less.

Well hell I didn't even think to look for the expansion somewhere else
I was just looking at the Bnet digital download

DUH

you can do lvl1 -90 and you will miss nothing, once you get to 90, activate the WoD trial on all accounts at the same time and you get 14 days of sub, and access to WoD, you can lvl to 1 exp from lvl 91, and do all the stuff on the first zone (garrison stuff) this way you can practice parallel garrisons before you upgrade.

(you will spend most of your time inside the garrison which is not boxing friendly at all, still there's some way around limitations with addons and such. better get used to garrison life before you upgrade.

Thanks for the advice