To Buy or Not to Buy The decision whether to buy or rent a home may have long-term implications. Related Content Self-Employed Retirement Plans Estimate the maximum contribution amount for a Self-Employed 401(k), SIMPLE IRA, or SEP. Spotting Credit Trouble The wise use of credit is a critical skill. These 10 questions will help you assess your skill level. Should I Pay Off Debt or Invest? This calculator will help determine whether you should invest funds or pay down debt.