Michael Ackerman, a Seattle real estate agent who works for Coldwell Banker Bain, video blogs about changing your locks as soon as you close on your new home. You never know who may have a key to the home you just bought, so, for peace of mind, change the locks throughout your home as soon as you close on it. If you have any questions or comments, please send an email to michaelackerman@cbbain.com or visit www.mackerman.com.