Charity they feel to be a ridiculously inadequate mode of partial restitution, or a sentimental dole, usually accompanied by some impertinent attempt on the part of the sentimentalist to tyrannise over their private lives.
Phone number for Square is 877-417-4551. Although, it seems to be a recorded message. I found a great alternative to Square that offers live 24/7 customer support with real human beings to speak with! Go to http://www.mobilecardreader.biz/.
Square Cash started as a P2P service, but businesses can also use the service using Cash for Business. $Cashtags, while available to everybody, are geared towards business users. The cost to receive payments as a business is 2.75% (up from 1.5% originally).