Seconds. Authentication requires some additional keystrokes or mouse clicks. This number depends on a number of settings and the level of security that you desire. It can be as little as 6 keystrokes.
Higher security requires mores actions. You SAVE time due to freedom from password memorization and coordination. You SAVE time by not searching for this information. You INCREASE security by not having
to write passwords down. You ENHANCE your security by using complicated passwords and letting OnlyYou do the housekeeping chores.