N.C. Gen. Stat. § 28A-17-8: Under power in will, sales public or private.

Sales of real property made pursuant to authority given by will may be either public or private, unless the will otherwise directs, and may be on such terms as in the opinion of the personal representative are most advantageous to those interested in the decedent's estate. (1868-9, c. 113, s. 75; Code, s. 1503; Rev., s. 84; C.S., s. 89; 1973, c. 1329, s. 3.)