Final answer:
A salon owner should generally expect to be inspected by the board annually, though this can vary based on local regulations.
Step-by-step explanation:
The frequency at which a salon owner should expect to be inspected by the board can vary greatly depending on local regulations and the specific practices of the board in that area. However the most common answer among options provided is annually.
This means that salon owners should typically prepare for an inspection from the board once every year. It's important to stay informed about local health and safety regulations as well as any changes that may occur to ensure the salon is always in compliance ahead of inspections.