Square already does websites for your online store https://squareup.com/online-store easy way to get customers if you already have their website to offer a store for them as well.
All my unlocks have been pretty much instant. I think its that provider pushing unlock to Apple at intervals. AT&T does they 3 day thing but that again is AT&T time to send it to Apple.
Others have pointed it out that it may but its also for Indian startups being able to easily accept payments internationally without setting up a US company.
The Charity Water is just a marketing gimmick the money they get from "private donors" would of just gone to the cause then. There are real fees from the credit card company to absorb and it seems like they are doing a lot of work in looking into what charities to work with and making sure its not a scam.