How do you build successful Cannabis Ecommerce Websites When it comes to cannabis-related e-commerce, the scope is immense. As the number of users using the drug rises the market for e-commerce will grow too and make it easier for brands to promote their products. The biggest problem with traditional retail can be the legal structure, and ecommerce solutions offer an excellent solution. However, just like every new industry there are many obstacles to conquer before your ecommerce site can become an immense success.