North Carolina doesn't have a specific auto-renewal law, but the UDTPA (no specific auto-renewal law) (N.C. Gen. Stat. § 75-1.1) plus federal FTC rules protect your right to cancel.
N.C. Gen. Stat. § 75-1.1
Penalties: Treble damages under UDTPA
SubScrub automatically cites N.C. Gen. Stat. § 75-1.1 and federal laws