Why call a locksmith? If you know of someone who is a "good handy man" then maybe he or she will be ok but there are things about lock's that you need to be careful of. If a lock is broken and it is fixed by someone other than a qualified locksmith, it wont be long until it is broken again. Todays parts for locks are not made to order, most times you need to purchase a new lock. Homes today are built poorly and some builders use very poor locks as it is just company's out to take your hard earned money. If you need help with inspecting the locks on you new home, ask the builder at completion stage that you wish to organize a time for a locksmith to check there work and have a inspection of all doors to make sure they are not bowed, builders, if they can get away with anything they will. While the locksmith is at your property ask them to give you some extra security advice. below are some photos for you to view of homes fitted with brand new very cheap locks. On this brand new homes the owners have just moved in and they have been there for two days just to show you that builders subcontract the work out but do not inspect it and the contractors do no know how to fit a lock correctly. ask the builder to rectify these small items and it will save you money down the track I hope this information was helpful to you.