Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Retirement Planning With Your Special Needs Child in Mind Having a special needs child adds another layer of complexity to retirement planning. A special needs trust may help. Uncommon Knowledge for Your Life See how The Living Balance Sheet® can help you tell financial fact from fiction, so you can achieve financial balance. Surprises Making the most of surprises is a great reason to work with us.