By focusing on a specific topic you will become anauthority in your niche. You will become the to go to person for kids luggage reviews, in this case.
This will not happen over night this is something that will take time. This is something you will earn by submitting good quality content to your website over time.
Sure you can blog about anything, but if you are looking to make money with your website or blog you are much better off if you focus on one specific area.
