This template gives you everything you need for a professional, customizable and legally binding Bill Of Sale South Carolina.
Not required by law for most transactions, but recommended. South Carolina doesn't mandate it, but helps with DMV processes and protects both people if disputes arise.
Document it clearly in the Bill of Sale. Mark the price as "gift" and note the family relationship to help with tax exemptions and prove the transaction was legitimate.
For basic Bills of Sale, probably yes. For notarization, family members usually can't serve as notaries due to conflict of interest, but they can serve as regular witnesses.