i think the better way for taking your site to next level is better SEO for ecommerce website,
Actually the Ecommerce business purely depends upon the marketing of your product and the Quality of your product , so if you want to grow your Ecommerce business then definitely maintaining an Ecommerce site to perfect level is very crucial and now, how can you promote your site? this is the question that should be rise in your mind so you should invest in your marketing
you should make a separate budget for increasing the authority and traffic of your site, so that more visitors come to your site , and you generate more leads because there is a well known saying What is seen is what is sold....