As used in this chapter, the term "transient merchant" means any person, firm, or corporation, as principal or agent, or both, which is not a regular retail or wholesale merchant with a permanent place of business in this state, but rather one who displays samples, model goods, wares, or merchandise in any lot, building, room, or structure of any kind, whether fixed or mobile, for the purpose of securing orders for the retail sale of such items or items of like kind or quality for immediate or future delivery. The term "transient merchant" shall not include any person, firm, or corporation which:

(1) Sells agriculture or forestry products;

(2) Makes house-to-house or personal calls for the purpose of displaying samples or taking orders for shipment directly from a manufacturer;

(3) Conducts business at any industry or association trade show; or

(4) Sells items at a rummage, garage, antique, or similar sale when such person, firm, or corporation is a resident of this state or has a permanent place of business within this state and such sale is not part of the regular business activity of such person, firm, or corporation or when the net proceeds of such sale are to be used for charitable purposes.