S.C. Code Ann. § 62-5-312
(a) A guardian of an incapacitated person has the same powers, rights, and duties respecting his ward that a parent has respecting his unemancipated minor child except that a guardian is not liable to third persons for acts of the ward solely by reason of the parental relationship. In particular, and without qualifying the foregoing, a guardian has the following powers and duties, except as modified by order of the court:
(4) If no conservator for the estate of the ward has been appointed or if the guardian is also conservator, he may: