Greetings to you all

Please I need help on how I can start selling network data, tv subscription, airtime etc through online.
Few months ago, I observed that in my area there are few POS store, the ones we have don't open on time and they don't come every day. So I decided to open a POS business in the area and it's going well.
But the rate at which people come to me to buy data and airtime, electricity units and TV subscription is very high. Buying data through POS terminal is same as buying directly from the networt terminal. But I do buy data from a friend of mine 1gb for #300 MTN, #350 for glo and Airtel. If people want to buy data I will call him and he will sell to them. I wanted to know how he is doing it but he have refuse to tell me, he said I should buy from bank if I want to sell to my customers but I know it is not from bank that he is selling... But even at that I still call him anytime people want to buy data. And the patronage is high.
This morning someone came to me to buy data I told her I don't sell data but "I can call someone to sell for you" I then call my friend and he sell data ( MTN and Airtel) for her But the woman ask my why is it that I can't be selling data I then explain to her, she then said instead of me calling my friend everytime I should go and learn how my friend go about it, so that I can be selling to them directly. The truth is that as I said earlier, I've told my friend to teach me but he said I should buy from bank directly for them. He don't want to show me how to go about it.
Please is there any links or sites that I can registered with? If there are any which I know there are, please tell me.
Help a brother indeed
Thank you
Please Mod help me move to front page

I came across VTU.ng
Pls how reliable is that platform, I mean VTU.ng