This is a common challenge for e-commerce brands. Amazon sales can quickly grow and account for an excessive percentage of total revenue leading to concentration risk. So diversifying your revenue sources is important but not always easy to accomplish. If you're operating your own e-commerce website, Google will be your main source of traffic and sales. A combination of effective PPC advertising and SEO is essential to generate substantial revenue to your store. On the SEO side, the best way to growth hack your way to page 1 of google is co-marketing. Contact other established businesses that offer products commonly paired with yours, but not competitors. For example if you sell grill cleaner, contact grill manufactures. Suggest a co-marketing deal where you post a blog article with backlink to their site, and vice-versa. This will allow you to quickly grow your backlink profile with links and traffic coming from relevant sites. Your store will begin rising in the Google search results and you'll see an increase in sales. You'll also start getting the attention of distributors who will be essential to getting your product in B&M stores! Best of luck!