Dos and Don'ts of Preparing Taxes

Double check everything.
File online for faster, easier, more accurate return preparation and a faster refund.
Use the IRS's Freefile service, if you qualify.
Be sure to have all required forms, receipts, schedules and other materials (W-2's, W-2G, 1099-R, 9465, etc.).
Check only one filing status on your return.
File with a preparer affiliated with a professional organization and;
File with someone you trust and of whom you can ask questions or;
File with an accredited tax preparer or enrolled agent, if necessary.
File online with a site registered with Thawte and/or TrustE (security and privacy certification companies) and listed as an authorized e-file provider.
Print off your self-prepared tax form for e-filing and have a friend or family member check it over.
Check over your printed form once more just to be sure.

Don't

Purchase a refund anticipation loan (RAL) until you are clear about all your other options and know how much money you are losing.
File with a tax preparer who promises you a higher return than other tax preparers.
File with a tax preparer who bases his or her fee on your refund amount.
Forget that you are always ultimately responsible for the accuracy and legality of your tax return.
File online if you are uncomfortable with the technology.
Use an online file preparation service that does not make major yearly upgrades.
File unless you have printed off copies of all your forms and reread the hard copy.
Forget to check the accuracy of social insurance numbers for you, your spouse and all dependents.
Forget to sign your form.