Is that possible?, only one microsite make a lot of money?, i wonder if i find the magic keyword i can create +$500 per month.
i'm creating some algorithms to find the most profitable keywords but i wonder if that is a waste of time...
With a one page site that would be something impossible to reach. Maybe if you rank high for a very high cpc keyword that gets a lot of searches.
a microsite monetized with adsense + affiliates it's possible, but a microsite means to find a very small niche with no to low competition.
Highly sought keywords will definitely have high competition. If there is no tough competition then the cpc would be probably low. You can always find keywords and build many pages around related keywords to make $100 or $200 a month. This make take some time but will definitely give good result.