Possible Clues:

• "Let's Make —"
• 'What ___!' (possible response to 20-, 29-, 46- and 56-Across)
• "You've got __"
• "Is it —?" ("Are we on?")
• "It's —" ("Agreed")
• "It's —!" ("You're on!")
• "It's __!": "Sold!"
• "It's —" ("You're on!")
• 'Let's Make __'
• 'You've got __'