Whats up fellas?! Ken first off, I believe it is worth saying that each individual has a different way or routine or preference if you will on the way they shoot and practice. I would say if your method of practice is helping you for now, lets say by getting the jitters out by taking a few close shots, keep doing it man! However, you do not want to become reliant on close practice shots to bring you to proper shooting form in the long run for obvious reasons. Keep tabs on your progress according to your practice routines. I think that ultimately you will find that there is one thing(often a state of mind) that will totally take your shooting to the next level, then you build on that. For now though, if it is proving for a more productive practice session, let em fly! Good Luck and never, never, never quit!