The pay yourself first approach to budgeting is less precise. With anything less specific, it does leave more room for error.
A conventional budget involves writing down your expected expenses every month and tracking them every month.
The simple explanation is that we save and invest before we do anything with our money.
Having a baseline will allow you to determine the current gap between income and spending to develop a plan.
Automating your finances allows you to hide money from yourself essentially. As silly as it may sound, the psychology of this is powerful.
This gives us the freedom to spend the remaining money on whatever we want, guilt-free. This is referred to as fun money; we’re just getting to the number differently.