It's not okay to overspend on something you don't need.
Sam is looking around an electronics store when he stumbles upon a big, one day only, sale on televisions.
Sam wants to buy a new television.
Sam takes the opportunity to buy a nice, but reasonably priced, television with the special discount.
Sam decides on an expensive, huge television that he can barely afford because he can only get a discount on it today.
Sam still maintains some of his savings and has an easier time paying his monthly bills.
Sam spent so much on the television that he struggles with his bills and has no savings left in the bank for unforeseen expenses.