To me the core idea is just keep a double entry ledger. This not only helps you observe all your transactions and their cost centers, but it allows you to put

To me the core idea is just keep a double entry ledger. This not only helps you observe all your transactions and their cost centers, but it allows you to put long term spending habits into perspective. To your point, it allows you to correctly measure the value of your recurring expenses, and it gives you the confidence necessary to spend strategically. Maybe it is time for schools to teach exceptionally basic and incredibly useful life skills.