A majority of hospitals in the united states lease their oxygen system. Leasing gas is really the norm in the industry and I'm sure it will stay that way for quite awhile. The question is if you had to spend 5-6k a month on a lease for a tank or had the option to purchase your system out right for 100k which would you prefer. I guess that all depends on your financial viability. Let me take a few steps back to bring you up to speed on why this question matters.Gas companies provide a niche service, to your hospital and it is really is service and product that you can not provide on your own. Knowing this many gas companies hold the upper hand in negotiations. The only thing that makes gas companies competitive is when they have to bid for your business, but once they are it's in for a long term relationship.