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 When Should You Take Social Security Monthly Social Security payments differ substantially depending on when you start receiving benefits. Tax Deductions You Won't Believe Here are some examples of deductions from the IRS that were permitted and some that were, uh, too creative. Financial Fixes: The Hidden Costs of Home Ownership Six out of 10 millennials regret buying a home because they weren’t prepared for the hidden costs.