www.teethwhiteners-bestvalue.com Can you make money? It is a critical question to ask when evaluating any new product or service. Here are a number of questions to ask yourself before bringing teeth whitening or any new service into your salon. First, can you afford the initial cost to offer the service and what is the ongoing cost to deliver it? A quality dental grade system will start at around 00 and the ongoing cost is low as no special training, personnel or certification is needed.