Well, this is a business itself, the student can buy something and sell if with a profit margin. The thing can be stationary(books, pen, pencil, notebook etc), which is much required by the students in a hostel or campus; a food item (especially Maggi at 12 am) or some en-clothe and many other things that you might feel required for the vicinity population. This can be a mini business and can earn a good amount if intelligently and thoughtfully persuaded.
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.
2. InboxDollars – InboxDollars is similar to Swagbucks, since you’re going to be taking surveys, shopping, etc., so if you want to maximize your return, sign up with both websites. They also offer a search engine that pays you (like Swagbucks) and you get $5 just for signing up.  I won’t continue to list survey sites one after another down the list, but if you want to get paid to take surveys, also check out GlobalTestMarket, E-Poll Surveys and Survey Club.
Living in India one finds earning money difficult, the reason being there’s a critical pressure of career and curriculum as well. My own personal experience holds a similar story of a hectic schedule whilst carving my way to earn my pocket money and managing graduation studies. It all depends on one’s priorities and the kind of work he/she is capable of doing, whether the choices have the positive effect on his/her living or not. I have dealt with numerous questions from youngsters regarding how to earn money in college life and have written a write up regarding the same previously yet, the same doesn’t fit in with the Indian students. So here are 9 best and proven ways for an Indian student to earn money in college life:
The other option is selling your domain if you have a good SEO score (Domain Authority) or you own a domain with a special name. My favourite social media scheduling company, buffer, bought buffer.com in $600,000 last year. In a similar way, you can buy expired domains and sell at a higher price to people who need that. Honestly, domain trading business is tricky and you have to be an expert even to start, otherwise, you may lose money.

I personally like this one for some spare cash. It does not take much to earn an extra $20 – $50 a week. Some claim that they are able to make a living by dedicating their time to different jobs at mTurk. You will have to go through a learning curve, but once you get comfortable, you will find plenty of good and interesting HITs (Human Intelligence Tasks) to work on.
Though earning through the internet is misunderstood by most Indian students as lame, yet many students have actually garnered hard cold cash through that. This is something which can be a gig in one’s free time for some extra money in the wallet. Internet is the most flexible way which offers opportunities of making money that too on one’s comfort zone. Following are the most common ways to earn money by merely sitting on your internet whether on the smartphone or personal computer:
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:
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