As soon as you're compensated with goods, services, or money, it becomes either barter or work. Whether or not you asked for something in return is irrelevant.

As soon as you're compensated with goods, services, or money, it becomes either barter or work. Whether or not you asked for something in return is irrelevant. Whether or not it matters is up to the IRS on a case-by-case basis. IANATL.