The debtor's diet, week 1 -- Money traps that don't have to trip you up

Budgets are like diets. Both are tough to define. And neither one is easy to stick to -- especially when you're tempted over the holidays.

Experts say just like diets, budgets tend to be blown more often on the weekends than during the week. The theory: You've deprived yourself all week, so when the weekend hits, your will-power splits.

"It's easier to stick to a budget during the week than on the weekends," says certified financial planner Julie Murphy Casserly, founder of JMC Wealth Management in Chicago and author of The Emotion Behind Money: Building Wealth From the Inside Out.