YNAB4 - Should I No Longer Be Rigid With My Budget?

YNAB4 was more of like a software mechanic and in the new YNAB that's now six years old, it is not a mechanic. But the principle of rule four never changed. The reason we do that is because it makes for a better decision. If you aren't pressed to make a decision, a spending decision right away, then your decision quality will improve.