Automatic transfers remove the decision-making moment where most saving plans quietly fail. When money moves to savings before you see it in your checking account, there is no daily choice to make, which reduces the mental effort saving usually requires.
Behavioral research consistently shows that people save more when the process requires no ongoing action. Setting up a recurring transfer for the day after payday, even a small one, tends to outperform an ambitious plan that depends on willpower each month.
Start small if needed. Consistency matters more than the initial amount, and most people gradually increase the transfer once it stops feeling noticeable. This is general education, not financial advice.