doTERRA overall appears to be a legitimate business opportunity in the health and wellness industry for individuals interested in the beneficial use of essential oils. The company adheres to strict rigorous scientific testing and its products are certified to be free from contaminants and artificial ingredients. They have an exceptionally high market retention rate in its industry. Business startup costs and yearly renewal are very low for a multi-level marketing company. The company also provides an excellent training program and a wealth of business tools for its Wellness Advocates.