You should note that the term 'master key' in the locksmith industry is not restricted to defining only specific and superior keys that have the ability to unlock several security door locks. Professional locksmiths Apache Junction often define master keys as any tool that is able to open up a lock mechanism. You should therefore note that even a piece of wire can be termed as a master key as long as it's able to open any lock mechanism be it that of a car or house.
However, due to demand and other illegal activities, master keys found its way into the hands the common man. A lot has been done to try to make master proof locks. However, there are people who are equally dedicated and spent a lot of time and money discovering master keys to such locks. You should however try to consult a reputable locksmith in Arizona so that they can advice on you safety measure to implement so as not to be affected by people who might be after you and own master keys.
The main role of a master key is to open security door locks. A master key can be a very efficient tool if it's in the right hand .i.e. a reputable locksmith. However, it can be a dangerous item if it falls in the wrong hand. You should note that there are some countries across the world that considers having a master key that isn't registered illegal.
You actually can't obtain a master key without any valid reason. You can however get a master key from a professional locksmith that has the ability to open a restricted number of security door locks. A locksmith can curve you a key that is able to open locks for every room in your house regarded that you are the sole owner of the property.