Related Clues:

• Rent payers
• Many urban dwellers
• They pay flat rates
• Flat people
• People using quarters
• Lessees
• They pay a flat rate
• Many keep their flats sharp
• They're not buying it
• Many Manhattanites
• Flat dwellers
• Apartment occupants
• Landlord's sources of payment
• Flat population
• Monthly payers