Abstract: Small business owners who fail to apply effective Internet marketing strategies could negatively affect customers’ purchasing decisions, and business profitability and sustainability. The purpose of this multiple case study was to explore effective Internet marketing strategies online fashion jewelry business owners used to maintain or increase profit levels. Competitive advantage theory was the conceptual framework for the study. Data were collected via semistructured interviews with 3 online fashion jewelry business owners located in the northeastern region of the United States who were in the same business for more than 5 years and generated at least $100,000 in annual revenue. Additionally, data were collected with a review of company documents pertaining to the profit levels of the businesses. Data were analyzed using word frequency and coding to determine themes. Six key themes emerged from the data: (a) Internet marketing strategies, (b) social media marketing strategies, (c) market research and retargeting strategies, (d) brand building strategies, (e) e-mail marketing strategies, and (f) marketing strategies for customer relationship management. The implications of this study for positive social change include the potential to create jobs and economic growth. The findings of this study could increase the quality of life for stay-at-home parents or assist disadvantaged individuals who host online businesses by offering proven Internet marketing strategies to increase their business longevity, profitability, and potentially lead to stronger and safer communities.