How much does self-discipline cost?

Self discipline costs nothing. Not having self discipline costs lots, though the amount varies person to person.

Everything comes with a price & this varies from an individual standpoint..

Best

Its free and easy

Most people who wish to be self disciplined would research this topic themselves rather than try the lazy and undisciplined approach of asking others this question.

More than a lot of us want to pay!

A lack of self-discipline is what costs a person, not self-discipline.