Find a customer to whom you can explain the total situation, and offer them a deal: in return for them supporting you now, you will give them cheap service for

Find a customer to whom you can explain the total situation, and offer them a deal: in return for them supporting you now, you will give them cheap service for the duration, and the best customer service in the world. Not the most likely outcome, but if your product is as potentially good as you say, there may be someone out there willing to gamble on it.