Originally Posted by
nonesuch flyer
See if you can:
pay your car insurance by credit card,
pay your monthly telephone bill,
pay your monthly cable TV bill,
go to lunch with 20 close friends and put the bill on your card and get your friends to give you the cash
Also for ~2.5%, there are services to pay many other major bills as a credit card purchases. There are flyertalk threads about each of these:
pay rent by williampaid,
pay certain utilities and loans by chargesmart,
pay US federal taxes by providers listed at
http://www.irs.gov/efile/article/0,,id=101316,00.html (also there are often ways to pay state and local taxes by credit card either through these services or directly).