High Security locks are more than just about the price. They are made with higher quality materials and better quality mechanisms. It is suggested that you research the locks you want to purchase before you buy them. Furthermore, what type of set up you may want to have will help determine the best type of locks. It may be that you would want to rekey all the locks to a master key. If so, buying the same locks at the same time and checking the code, will make them easier to rekey. As well, what level of security is most important. What you have to protect, for example, will determine the type of lock you would choose. Moreover, many locks now have a higher level of security and are smart locks, providing ease of access and programmability for the home or office. Often overlooked, is the state of the door and frame the lock is securing. A lock of any level is only a secure as the door and frame it serves.