If you give a can of tennis balls as a Christmas gift to a rich Salt Lake relative and he calls you a cheapskate, just tell him that you'll buy him two cans next year -- if he'll pay for your round-trip plane ticket to Jacksonville.

Average cost of 3 Wilson or Penn tennis ballsCity Price

Jacksonville, Fla. $1.57*

Los Angeles $2.38

Provo/Orem $2.47

Denver $2.61

St. George $2.62

Phoenix $2.86

Salt Lake City $3.43

U.S. Average $2.47

*Lowest in nation*