How big a buck do you want to make?
To make big bucks, you have to plan for it even before you set up your business, in choosing a niche, consider niches in other countries and targets in those niches, how much revenues were made in all niches per each target group in all countries in previous years? That should give you an idea of the potential revenues you can make in different niches worldwide, you can then go for the big money earners.
Then look at all the possible ... more