Respond with personalised comments rather than a generic Thank You. Fostering a conversation helps build the credibility of your blog!
E-commerce bloggers must carefully write keeping their audience in mind. Everything you post on your blog will speak for your product or service. Your interaction with bloggers in comments and otherwise will give you a direction.
The more you share your posts on social media & the more you engage & entertain your readers, the quicker your readership will grow.