When trying to figure out just what insurance option might be best when considering how to pay for life's emergencies after retirement has begun, it can be quite difficult to weed through all the Medicare supplement insurance plans out there that may all have very different options, costs and choices. Not only will the coverage vary for each plan where some plans will cover certain issues while others will not, the price of different plans also influences what options are available. Obviously, if a plan is more expensive, it likely will cover more options and different procedures.