Related Clues:
- Word in an advertisement come-on
- Unoccupied, as a theater seat
- Liberated
- Advertiser's 'magic word'
- Best possible price
- Word that may precede twelve words in this puzzle's grid
- Big word in advertising
- Welcome word to the miserly
- With 52D, carte blanche
- Autonomous
- Costing nothing
- Duty-__ shop
- No-cost
- Unshackle
- Able to go, perhaps