'Default Day' could save you money this new year

So many services nowadays—from streaming to software downloads to gym memberships—use a subscription model, which forces us to constantly pay monthly or annually for the things we want.

Michael Luca, a professor of economics at Johns Hopkins University, studied these behaviors. He proposes we take time in January to double-check all the accounts that automatically withdraw our money and get rid of the service we no longer use. 

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