An Earnest Money Deposit (EMD) is a good faith payment made by a homebuyer when they sign a purchase agreement. It shows the seller they’re serious about buying the property.In South Carolina — including hot markets like Lake Marion, Santee, and Eutawville — an EMD is typically 1–3% of the home’s purchase price, but the amount is negotiable. The money is held in a trust or escrow account until...