Recommend content is advisable for E-commerce bloggers. For e.g. Recommended books. A buyer will want to know what more is there in store for him/her.
Listicles are for E-commerce bloggers. Write the top 10's for your products/services. It could be benefits, features, place or anything else. It helps your audience grasp information quickly.
Post Ideas: At times you will just run out of ideas for post not sure what to do. use google and apps like Evernote to note down all that ticks in your mind. Something will surely turn into a new post.