How to view saved password In Mozilla Firefox
Precautions before saving Passwords in Mozilla Firefox
Though it may prove useful some times when you forget your password but it is much risky. Remember gravity of risk is greater than advantage.
Never save passwords of your bank transactions or other Important website. For this purpose you click “Never remember password for this site” while Mozilla Firefox first time asks for it. Mozilla Firefox will never ask to save password for that site again,
Stop "A Script is Busy.." Message in Mozilla FireFox