In addition to the adult industry, I'd say the gambling industry is a huge opportunity as well. In the gambling industry - people seem to be willing to spend money for the opportunity to make money.
CPA works great, and can be very lucrative if you know what you're doing. It is definitely not get-rich-quick, and if you are planning to scale this up to a big enterprise you'll definitely need to use paid advertising, BUT it can be scaled up far quicker (in my opinion) than the traditional information products business model.
Combining CPA with videos work the best. Many are making big bucks from this combination. Create a short, enticing video which will automatically redirect to the CPA offer. You will surprise at the results.
Great ideas! I think in short you can do anything but you should have focus on that. But again before you focus on a particular thing you should be first knowing that is it going to be benefit me Or else all your efforts will be in vain. To sum up so far, this thread shows up the following online business models 1. CPA with videos streaming 2. Web hosting 3. Affiliate Marketing 4. domain name business 5. Article writing business
Oh! I am sorry I also like to have your opinions on the following business models: 1. Social networking as mention by mastershifu 2. Web site flipping business