Tax Expert Completing My Taxes

We have used TT each year to do our taxes. This year, do to selling our Vacation Rental in NC (NC non-resident), we are interested in having TT do our taxes for us. How does that work, if we have used TT each year? Do we upload last year's? Or do we start the form, enter the current year's data, and then let the expert take over? This would need to include the NC State Form, as we sold the NC vacation rental, as a non-resident. Would like to learn more about TT doing our taxes this year.