The biggest drawback to personal selling is ______.

A) time
B) cost
C) poor customer service
D) lack of knowledge

The biggest drawback to personal selling is its high cost. Personal selling involves one-on-one interaction between a salesperson and a prospective buyer, which can be significantly more expensive than other forms of promotion due to the costs of hiring, training, and compensating sales staff, along with travel and accommodation expenses for sales calls.