Foolproof tricks for sticking to your budget

This is an extract from The Poor Man’s Guide to Financial Freedom: A Realistic, 10-Step Manual to Building Liberating Wealth on a Low to Medium Income.
How to stick to your budget
Different people have different tricks for adhering to their budget. Some only spend in cash. For example, imagine a budget of $2,000 a month, excluding savings. One could withdraw $500 from an ATM each Monday and try to last until the next Monday until withdrawing any more.