In order to take your business to the next level, you need to make your eCommerce site more popular. In order to achieve this, you need to spend some time on proper SEO techniques. I have mentioned some techniques below for your understanding:
1) Article writing - Write good quality articles using some of the highly used keywords. These will help people get more interested about your site and thus increase your visitors and buyers. Keywords can be searched using Google Adwords.
2) Create backlinks - This can be achieved by social bookmarking and forum posts. Creating backlinks will help you get more visitors to your site, which will eventually enhance the size of your business.
3) Social networking - Open fan pages for your site on various social networking sites, like Facebook and Twitter. Just ensure that you are active on such sites or else this will not help your cause.
Hope my suggestions will help you.