What is a defining characteristic of an independent contractor (booth renter) in cosmetology?

An independent contractor, often referred to as a booth renter in cosmetology, is characterized primarily by the autonomy they have in their business operations. Using her own products is indicative of this independence, as it highlights the ability to control and make decisions regarding the materials and products used in her services. This flexibility allows the independent contractor to tailor offerings based on personal preferences or client needs, which is a significant aspect of operating as a separate entity within a salon environment.

In contrast, the other options pertain to operational aspects that may not be exclusive to independent contractors. Booking appointments for other stylists involves a collaborative or assistant role rather than the independence associated with booth rental. Providing services under a contract with the shop owner might imply a more traditional employment relationship or partnership rather than the independence of self-management. Haring employees to assist in the shop further implies a business structure that is generally outside the scope of a booth renter's individual, self-directed practice. Thus, the defining characteristic of using her own products stands out as the most accurate representation of the independence enjoyed by booth renters in the cosmetology field.