Dayo, sadly, because of the market size, app related business remain only profitable in a few western countries. I don’t know of any that could be used in Nigeria. That said, you can always put your own twist on things and make something that people in your local area could find useful. Essentially, you create a niche market out of it, and that can be very profitable.
I have had some success with Freelancing and Fiverr. What I did was I went to Fiverr and found a service that was selling well, then went to Elance and found someone who did the same thing for less. Then I made a Fiverr ad and sold the service myself. Tiny work once you get it going. I’ve also done the opposite where you go on Elance and look for jobs that you can have someone on Fiverr do for cheaper.
25. Products – You can create your own product, such as an ebook or computer software. You would then use your blog as a promotion tool to get people to buy your product. As long as you create a legitimate product with a whole lot of value, you should be able to get some buyers, but like everything else with a blog, you’ll need the traffic to get the sells.
Students can not only sell their old stuff or unwanted things on eBay and other marketplaces online, but also sell items that they have created themselves. You can also buy things in bulk from another supplier or more at cheaper prices and resell them at higher prices. You can earn some extra money by selling your old stuff online. In addition to selling your own products, you can sell your used clothes, text books, unused gift cards, old CDs, DVDs, and much more items online via a number of marketplaces online such as:

Hi, I am Pritam Nagrale. I have been successfully making money online since 2004. I have tried almost all the make money ideas and work from home jobs exist on internet. I know what works and what does not! What I write on my blog is my practical experience. You can find all the legit information on MoneyConnexion that will help you to make money on the side.
The Internet is an indispensable source of information that provides you with tons of information about various objects in this world. For students, it is akin to a large encyclopedia which can be accessed from anywhere and anytime to obtain all sorts of information. However, the existence of the web has helped many to obtain new ways of earning money. For students, it is now easier than ever to earn their pocket money by using the various methods provided by the internet. If you have spare time, here are some of the jobs that you can undertake to earn money for yourself and that too without putting any initial investment of money. All that these jobs require is a good amount of time and a little application of your brain.
Blogging is not a writing job; you should take care to keep the content informative and engaging. You as a blogger should not only aim at grabbing the attention of the reader but also get noticed by the search engine to increase rankings. The niche you are focusing on the blog should be targeted with search engine optimized keywords to get higher rankings. And in this way you can earn money money from your home without investing anything. 
Data entry is a simple job that students with basic computer and fast and accurate typing skills can do from the comfort of their computer. Typically, data entry work involves typing up data fast and accurately for clients. Many students earn money working part-time doing data entry jobs. You can find genuine data entry jobs on the following websites:
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