First of all, if you're going to, make sure you have someone there who can help you if you have a bad trip.

Second, be prepared to stay tripping for at least 10 hours. There is NO going back.

Third, you will have flashbacks when you least want or expect them.

Also, if you're trying to emulate Hunter Thompson, I suggest you don't. He was a bi-polar depressive with serious problems and the last person who should be a role model.

Why do you want to do acid? Probably the most important answer to your question is a question.