After a rough initial period, the store proved to be very successful. Warren’s goods were much cheaper than competitors', though he maintained that he was not trying to put other stores out of business. Another store in the neighborhood converted to Warren’s methods. The fact that prices for goods rose the more time a customer spent with Warren resulted in very efficient transactions. Warren said that he was doing more business in one hour than normal businesses do in one day, leading him to close shop part of the day to rest.

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Nonetheless, at the time it was the most popular mercantile institution in Cincinnati

See also Time-based currency - Wikipedia