The Cost of Procrastination Procrastination can be costly. When you get a late start, it may be difficult to make up for lost time. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Social Security Taxes Estimate how much of your Social Security benefit may be considered taxable. Trends in Charitable Giving Some people may want a more advanced gifting strategy that can maximize their gift and generate potential tax benefits. Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates.