I ask for a tall in a venti cup or my mug and if the employees not new they wont care and fill it close. All the cents I save adds up. Often theres not another coffeee shop near by that isnt crappier watered down coffee same mark-up, so stuck with Starfucks.
That's how they get ya, there are just so many of'em that nothing can get a foothold and so makes it that choices are limited.