Put advertisement but make sure that your blog visitor doesn't get irritated when ads pop up one after another like a flood.
Its not just good content that matters, presentation of post is very important too. Have attractive pictures, fonts etc to hook the readers.
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.
It was lovely knowing your takeaways from 2017. Now, let us hear your wishes for 2018. Aren't we all looking at the new year with love and hope? It is better to write down and then refer to it regularly if you really care about them.