If you decided to prepare taxes on your own: Review of prior year's return

• Review of prior year's return for accuracy, comparison and carryovers for current year return. Check this information:
• Tax loss carry forward information;
• Withholding information;
• Information about how certain income may have been treated, such as capital gains or traditional income. 
• You can find an applicable item that is not common for all individuals:
• Itemized deductions;
• Sale of a residence;
• Retirement pay;
• Applicable taxes;
• Etc.;
• You can also find certain items from the prior year return that you probably needed to complete the current year return:
• State income tax refund;
• ATM for credit;
• Gain/Loss carryover;
• Charitable gift carryover;
• Etc.;