Answer:
Larry should start keeping accurate records of his transactions in his checkbook, including the amount of each check he writes and deposits he makes. He should also regularly check his account balance to ensure that he has enough funds to cover his expenses. It may also be helpful for him to set up alerts or notifications from his bank to inform him of low balances or bounced checks. Finally, he should consider seeking financial education or counseling to learn how to better manage his finances and avoid costly mistakes in the future.