I'm not sure how much a man makes by donating his sperm but I think the going rate is somewhere around $50 a pop, give or take.
A woman, however, can make thousands by donating a single egg.
I have read many ads in journals and magazines in my town, looking for women to donate their eggs. The pay range is anywhere from $5000 to $10000 - certainly nothing to sneeze at.
According to CNN, "As the nation's economy is slumping, some fertility clinics say interest in donating has surged.