When will a book cut you off?

[Austiger]

What happens when you're a proven winner? Will online books cut you off? What about Vegas books? How much can you win from a book before they cut you off? Or will they just impose betting limits, etc?

How do pros keep taking money from the books month after month, year after year? When I see a line move because of sharp money, I wonder why a book would take a bet from a sharp in the first place. Or are all the sharp line movements because of touts making their picks public?

Anybody have any insight or personal stories? Anybody ever work at a book?