depends on what you are looking for. Its about pacing yourself, not starting out fast. Finding the best women is like running a marathon, not the 100 meter. But if you just want to pick up somebody at the bar or somewhere like that, then the best thing you can do is listen and be funny. Know when to strike and no when to leave. Ask leading questions, you get answers. Do you go to school? What do you do for work? and let her talk.
As far as what not to ignore. Signs. you forget to step on the gas then you messed up, you go for a kiss or come over at the wrong time when you should not, then you really messed up and you might have to start back from square one and give up.