Jose Luis Pelaez Inc/DigitalVision via Getty Images GoHealth (NASDAQ:GOCO) is a large-scale broker of insurance products, especially the popular Medicare Advantage plans in which Medicare benefits are delivered by a private insurer, although the company brokers for Medicare supplement plans and other insurance product lines as well. The basic outline of the business model is this: consumers looking for a Medicare plan that best suits their needs can face a vast ocean of choices, with a range of benefit opti ...