that if you truly believe that automated test saves you time you want that benefit as soon as possible as you are developing the new feature the third reason is organizational I have here years too many times the phrase I don't have time to write this or I'm not given the time to write this and for me just actually means that well I always write my code I finish my feature and once I finish my features when I do try my test and if there is any time pressure well you know I'm not going to I don't get time to write those tests and because