How to use "bills" in a sentence

No dry-cleaning bills."

The number was 1001012, identified as the access for "Comps," which meant "complimentary guests," a euphemism for "big losers," who were never asked to pay their room charges or restaurant bills because they routinely dropped small fortunes in the casino.

A neatly folded pair of twenty-dollar bills, placed without ostentation into the hand of a front-desk clerk, was almost certain to result in the timely discovery of a forgotten vacancy.