What to Do When You Lose Your Wallet Ever lost your wallet? Frustrating. Here’s what you can do to keep yourself safe. Related Content Roth 401(k) vs. Traditional 401(k) This calculator compares employee contributions to a Roth 401(k) and a traditional 401(k). Disability Income This calculator estimates your chances of becoming disabled and your potential need for disability insurance. The Richest Man in Babylon In good times and bad, consistently saving a percentage of your income is a sound financial practice.