Modern tax programs are incredibly user-friendly to people of all technological capabilities. Whichever service you choose, they'll walk you through the process in a plain language, step-by-step manner. So you probably don't need an accountant if you're planning to file a 1040EZ or 1040A. Before you begin, however, it's vital to have all of the pertinent documents and details in hand. Failure to include all of your income information or missing a big-bucks deduction will require you to file an amendment, which will take time and money I'm sure you'd rather conserve.
It's critical to note that do-it-yourself tax software is not necessarily appropriate for everyone because tax situations vary by size and scope. If you own a couple of properties, have inherited some assets, are an avid investor or engage in other tax-complicating activities, it might be best to consult a professional to cover all your bases and make sure your return is complete.