Why you should use waterproofing Paint for Basement and foundations?

The basement is an area of the house that leaking and exposed to water problems. And if you don’t deal with this mater seriously from the beginning you will pay the cost of repairs in the future. So why you don't prevent this from happening? while waterproofing basement paint will not cost more than a few extra money for the waterproofing paint and the worker cost but it would surely for certain that you would not need to deal with more damages and costly maintenance in the future.