This e-book title - Starting An Honest Online Business
very useful tool, just take time to read it all.
There are quite many honest ways to earn income online
though in-ability of Nigerians to use paypal is a challenge
to fully explore various online business opportunities
Having ones personal online Business is best of all ways of
earning good income online, though you can earn from
paid surveys, paid to type, selling on eBay, commision
on sales of others products, advertising sales etc.
If you have makertable skills you can try
freelace. There are lots of opportunities in that area too.