and not having to wait months if you live in EU
Apple at least lets me change this by moving my iTunes/App Store account, which is its own ordeal and far from ideal, but at least there's a defined process: Tell us where you think you live, provide a form of payment from that place, maybe we'll believe you.
I'm really frustrated by Google's attitude of "we know better where you are than you do". People travel sometimes and that's not the same thing as moving!
But once I'm a paying customer, I want to use the thing I'm paying for from where I am without jumping through ridiculous hoops!
The worst variant of this I've seen is when you can neither use nor cancel the subscription from outside a supported market.
Once I got accepted, some of them work outside of the US and some don't