Keeping every dollar at one bank feels wonderfully simple. One app, one password, one debit card, one place to check when the bills need paying. Convenience matters, but putting all your banking eggs in one digital basket can create problems when something goes wrong.
That does not mean everyone needs five checking accounts and a spreadsheet worthy of a small hedge fund. It does mean a little financial diversification can protect access to your money, improve your options, and prevent one banking problem from turning into a full-blown household emergency.
