Except to pay at the higher end of the scale if you have all the locks keyed to operate with one key instead of a separate key for each lock.
Price to get a replace door lock.
For a basic project in zip code 47474 with 6 doors the cost to install a door lock starts at 152 296 per door.
Actual costs will depend on job size conditions and options.
Create your own price list in homewyse lists.
When you have a new lock installed you may want the locksmith to make extra copies of your new keys or even old ones for existing locks.
But if you need to replace the keypad you might spend an additional 200 to 400.
Buying basic locks and installing them yourself runs around 15 50 per lock or 60 200 for four locks on a typical home depending on the quality and style of the locks.
Rekey a car ignition.
Replace car door lock in most cases repairing or replacing a standard door lock runs 50 to 200.