Make your posts visually appealing. It really helps in grasping the attention of the reader and adds value to the post.
Photos are the most essential part of your blog or post. Take clear pictures on a light background to keep the focus on the product.
Grammar - Depending on the language you use, blogging just makes it imperative that you are reasonably good with your grammar skills and proficiency if not a master. Remember your audience is a mix of both; the ones who are experts and the ones who are not.