5 Answers

Find a product and/or a service that people need. Try to find a niche,something that's unique, or improve upon something already out there,  i.e., "build a better mousetrap." Always be honest and never rip anyone off. There are loads of books for sale on how to do it, and there might be some at your local library. Beware that there are plenty of scammers online "telling " you how to do it. A computer can help tremendously. Internet commerce is growing in "leaps and bounds" and some people do get rich.

By scamming others and stealing their money mostly. If we knew the answer to this, none of us would be hanging on this website answering questions for free. Well we probably would still be but no to the degree we do now because it's very difficult to make money off the web. 

Try opening a store on eBay. Some people have had success with that. 

You don't, not really..........

There is no such thing they are all scams.  You have to actually get off your butt get out in the real world and get a real job.

There are many ways available to make money online. Some of those are blogging, forum posting, answering questions, reselling business, date entry jobs, article writing, reading emails, paid online survey etc... Among these i am making money by doing online reseller business. To carryout this business you need a reseller account. Get an account from the site Goresellers.com ,at low cost. This business is about selling domain names, hosting services, SEO service etc... at higher rates. They will give commissions for that after selling each of it.