As a very frugal person, I have a prepaid phone plan that costs $100 a year. For the past two years, I've spent roughly $50 of that each year. As long as I renew the plan with another $100 every year, I can carry over the unused balance.
But there's a hitch; if I only used half of the balance one year, I'm not likely to vary that dramatically. I was talking with a friend of mine who had a Virgin prepaid plan and lamented that he had accrued quite a balance this way over a few years and decided it was a ripoff. I understand the sunk costs fallacy, though maybe not why he decided it was enough to change providers.
I'm comfortable with writing off 50 dollars a year, but I'm wondering if there's any good way to cash my balance out, or at least put it to a better cause than T-Mobile's bottom line. I hear about some places using minutes as currency and I'm wondering: is there anything now or on the horizon in the US that might let me cash out the unused balance?