Admission to the Miami Book Fair: $5.Cost of replacing Nike sneakers after a stray child at the fair threw her hot dog on your old ones: $70.Hot dog for your child, who threw a tantrum after realizing other kids were eating hot dogs: $5. Copy of Frank McCourt's latest release: $25.Amount of gas used waiting in line to get out of the parking lot: $5.Knowing you could have gone to Trinity Episcopal Cathedral's bookstore any weekday from 9:00 a.m. to 3:00 p.m. and spent $2 for the book you picked up at Borders for $25: priceless.