Possible Clues:

• Optimist's statement
• Optimist's belief
• Hyperbole from someone who's dreaming big
• ''As much as you want''
• Expression of ambition inadequate for the likes of 21?
• "Anything you want"
• "There is no ceiling!"
• ''Spend as much as you like!''
• Gambler's credo, perhaps
• There's no ceiling