Chosen Solution
I went through the whole process of removing my Moto X Pure XT1575 battery. Only to find out that the FX30 battery for it is out of stock here on ifixit. I see many of them on ebay, amazon and newegg. Are any of those any good, or where can I buy a quality battery?
if you buy from ebay use paypal for the guarantee. they make sure you get what you buy. as for amazon you should be ok as they don’t like bad sellers. find one that has a good history.