When you buy a new bay, it gives you the two options you have.
Spend 40,000 credits to unlock it, of 475 coins to unlock it.
You chose the coins.
Yup that's the point, if i had know what i know now i would not of done it.
Only have 4 chars at mo and thought at the time why not get the one for all chars as it will save me creds on each char in the long run. turns out that its now going to cost me 4.320.000 million on a third slot on all chars instead of the expected 480k. I was actually thinking ahead
in no way was it clearly marked that this would be the outcome, otherwise nobody would do it in there right mind. which is why i did not expect it