A thief with enough muscles (or friends) may be able to carry your safe right out of the building with him. If a safe isn’t bolted to a wall, floor, or immovable surface, it won’t do you any good.
Fewer people are walking into a bank. They are finding alternative solutions to safe deposit boxes (which can only be accessed during branch business hours.
A safe deposit box (sometimes incorrectly called a safety deposit box) is a type of safe usually located in groups inside a bank vault or in the back of a bank or post office. They are also used in hospitality applications such as hotels/motels and grocery stores.