Using poker software and sites to help make more profit.
There are tons of software that poker sites online allow you to use.
Ways to find out Tight or Loose your opponent is, how often they check raise, when they are likely to bet and ways to make the optimal plays.
Most are free, some require a small investment, while others require a monthly membership.
If you wanna know more, including prices, and links.
You can find more info here.