mailbox money
n.— «The recurring revenue SCR earns as a result of switching its clients to Mercury is what Milligan refers to as “mailbox money.” That is, once a client is switched over, SCR receives a monthly residual check from Mercury based on the card processing activity of the customer. All Milligan has to do is walk to the mailbox.» —“3 Steps to Increased POS Sales” by Mike Monocello Business Solutions Aug., 2007. (source: Double-Tongued Dictionary)
Further reading
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