SDCL § 37-33-5: "Consideration" defined.

For the purposes of §§ 37-33-1 to 37-33-11, inclusive, the term, consideration, means the payment of cash or the purchase of goods, services, or intangible property. The term does not include the purchase of goods or services furnished at cost to be used in making sales and not for resale, or time and effort spent in pursuit of sales or recruiting activities.