> if there is _any cost at all_, which means that _they have some way of billing me_, I have to operate on the assumption that I will at some point get mailed a

> if there is _any cost at all_, which means that _they have some way of billing me_, I have to operate on the assumption that I will at some point get mailed a bill for X thousands of dollars. At least that particular issue could be avoided by making it a cash transaction.