Entrepreneurs who have a passion for homeopathic remedies and products may consider opening an aromatherapy business. Successful business owners will have a thirst for knowledge, a solid mind for business, and good sales skills. Startup costs can be anywhere from $10,000 to $30,000, with the potential to reach six-figure profits. Depending on your long-term goals, there is a large potential for growth in this field as the industry has experienced significant growth over the past few years.