As a freelancer, you can choose a niche based on its evident potential to make money. I have a suggested niche for African where they, just as I also would, can take and sell for a try and stand good chances to earn some money as a freelancer. This is a follow up webinar from the first that was a foundation to getting started.
My blog https://freelancinginafrica.com/ is growing and getting listed now on it makes an additional marketing effort for the start up freelancer.