recent newspaper articles have suggested that the business is in jeopardy, due to the rapidly decreasing availability of the 7-oz bottles required by the machines. it is becoming increasingly difficult for sears to locate the right sized bottles, leaving him reliant upon loyal customers to consistently return their bottles (most of which have become collectible, and can often be found on ebay selling for upwards of $20 apiece), and having to source similarly-sized old-fashioned bottles on the secondary market.