Thanks @Desmond for this wonderful question, i will try to explain as much as i can.
First as you know, Helpblogger is a platform built with the tendency of helping young bloggers grow in blogging, though after much consideration, we are building the platform not just for bloggers but for everyone online to share ideas and learn in the process, also to help individuals grow their small business.
We have also add few ways members can promote their products for free using our digital currency HBies.
How to place free ads
To place free ads you have to visit the Advertising Tab; Note make sure you have HBies if not you can see how to earn here(EARN HBies)