Intro Here are 10 sub-niches or categories within the profitable cleaning niche to build a niche blog around. If you’ve ever wanted to start a profitable cleaning niche blog about cleaning and cleaning-related products this is the list you need right now. If you’re new to niche blogging and need to know more about it, you can read my article on that here. Starting a Profitable Cleaning Niche Blog Cleaning has become a very popular and trending niche, especially with TikTok. It’s a (surprisingly) engaging and easy type of content creation to get into. It also doesn’t require any start-up…