Oh, yes, I would have forgotten: welcome everybody. I haven't changed my name since my birth. I simply sneaked to that forum in such a manner that nobody noticed :P
And yes, good printer is crucial. That's cause the salesman in my grocery has an eagle eye and he would immediately recognised carelessly forged money.
Seriously - only easy and legal way of earning some money I can think of is ebay. Hah, but nobody told that it should be easy...