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Simplifying money management
Many banks will allow you to open multiple accounts.  Create a secondary checking account that has no automatic withdrawals and doesn't allow overdraft.  This is the account you'll use for you discretionary spending.  Get an account with a debit card and always use it as a debit card (never as a credit card, even if it allows that). Your employer may allow you to split your direct deposit so that a certain amount of money goes into this account each month.  When it gets to $0, you have to stop spending.  It will automatically refill when you get your paycheck.