Possible Clues:

• 'Monopoly' supply
• Miser's fixation
• Pot contents, perhaps
• Pink Floyd song in 7/4 time
• A slang term for this starts 17- and 60-Across and 11- and 28-Down
• Cash is needed for one in my surroundings
• 'Bread' broken in this puzzle's seven longest answers
• Evil's root, it's said
• Root of all evil
• Pink Floyd "The Dark Side of the Moon" smash