Criminals these days are becoming more and more intelligent by inventing better methods to steal from you, this has made a lot of people more cautious. With this in mind, it is not uncommon to see houses with twelve feet high walls, electric wiring, hidden cameras and alarms. Your door will be the only means of protection you have because power shutdowns could incapacitate your electronic protection such as cameras and high walls provide little resistance to high profile burglars that are well equipped.
Getting strong locks installed on your door should be the first thing you do when you are making your home safe because clearly they are the ones that could be least affected by external factors such as power outage. Finding a locksmith to install the locks on your doors is another mountain to climb because most of them may be scammers trying to make a buck or could be used by burglars to access your house. Most people due to this reason try to install the locks on their own, this however, could lead to a badly done job or could lead them to making the situation worse than it was if they were repairing the locks.
To avoid being scammed you need to make sure the local addresses of the company whose service you plan on hiring actually do match up with the ones they have put online. Secondly, you need to check the license and identification of the personnel when they get to your house.
Scammers in the light are those that offer you very low prices, this is a common way to cheat customers into letting them work on their locks, be smart enough and be aware, you can avoid this by going online and checking the normal rates. Hidden charges are a common thing that some locksmiths use to extort more money from you, to avoid this ask them before they start any work on your locks.
Some scammers usually come in unmarked vehicles and this should be a major red flag to you because the clear thing is that they are scammers. Only use locksmiths that have been insured so that incase anything goes wrong, you can be compensated for your losses.
It would be unwise if you left the workers alone working on your locks because some of them may use this window to steal from you or install the locks in a faulty way so they can come back and steal from you if they are not professional or lack integrity.