Related Clues:
- Sometimes-split charge
- Bellboy's bonus
- Cost increaser
- Government's bite
- It's based on purchase price
- Bellhop's expectation
- Cost of membership
- War classic "Low ___"
- Tea partier's rallying point
- Partner of fie and fum
- Bank add-on
- Payment to a broker
- Word that may follow either word in 17-, 20-, 37-, 53-, and 58-Across
- Policy postscript
- Headless Horseman, e.g.