Your biggest purchase can also mean big deductions for things like: mortgage interest, property taxes, refinancing fees, points, and improvements to your home's energy efficiency. (turbotax.intuit.com)
If you have missed big deductions like moving expenses or disability tax credits, you can adjust all returns between 2002 and 2011 to recover these or other big misses. (moneysense.ca)
For most people, state income taxes paid is a much bigger deduction than state sales tax. (robergtaxsolutions.com)