In answer to Wpg's last question, "Very little!"
Passing out options like drunken sailors is considered a Venture/industry norm!
Books have been written on the subject.
"Fleecing the Lamb" comes to mind, although it covers all available and not so available methods of "fleecing!"
It doesn't take much imagination to guess who the Lamb might be!
And the "wool" never stops growing!
From time to time the Boyz toss one on the BBQ for their week-end roast, so when you feel your toes getting hot, it may be time to pull back a hair!
RUF