One of the things about banks is the ability to get interest free funding. This great post by Marc Rubinstein explores the ways in which five non-bank companies also make money off interest free funding.
Fun fact, Marc notes that Starbucks gets to take funds in abandoned accounts to profit while banks are not allowed to do this. Inactive bank accounts get transferred to a government body where customers can make a claim if they come looking. This can be a relatively big number.
Worth reading
Tony – From the Outside
From the outside 