1. Some say that it is will increase FICO score faster if you leave out a balance in your credit card payment :?:
2. Some say that if you pay in full immediately, FICO score won't be affected because you did not show a real history of credit history. :?:
3. Some say that you need to have a balance of 2-3 months before paying in full so that it will affect your credit score. :?:
Which one are true and which one are just myths?
Kindly give links to support the truth regarding credit cards