I have seen the same pattern repeated in store after store. Growth is slow at first for everyone. The winners are the ones who don't give up. So don't be discouraged if you only get a couple orders in your first month or two. When all your customers are telling their friends about you, your overall customer base grows exponentially, like money at compound interest.
Growth is slow at first for two reasons.
It takes a while for shoppers to realize you are out there. And it takes a while for people to order from a site even after they first find it. The first time you visit a site, you may be a little reluctant to order. But suppose you come back a few months later, and the site is not only still there, but seems bigger and more prosperous. Especially if a friend of yours ordered from the site in the meantime.