> You can whip up an invoice in Google docs or use a service like Wave or something for free. The invoice is not the problem, handling taxes is. In most countr

> You can whip up an invoice in Google docs or use a service like Wave or something for free. The invoice is not the problem, handling taxes is. In most countries (I'm not an American) an Invoice means that you are self employed and that you should pay taxes on that part as self employed. There are services around it that charge percentage of the transaction and I'm not sure will handle such small amounts.