There is also the need to know how to keep your wallet safe from thieves who are not online. Even if it is a Hardware wallet you use, It can still be stolen and your bitcoins lost. Your attitude offline is also a factor that will determine the safety of your bitcoins if stored in a hardware wallet or on a device in a safe wallet. If you are garrulous, you need to watch the habit, so you do not go about talking about your bitcoin holding when and where it is not important.