You need to abide by the registration, licensing, and small business laws within your condition and town authorities. In accordance with the MLA by way of example, locksmiths make the following on a normal working day (these amounts are for reference only): https://telegra.ph/Κριτήρια-Επιλογής-Κλειδαριάς-Ασφαλείας-01-02-2