The best thing to manage the Bitcoin is to make export the private key and place it at the hidden secret place or just make print out of your  private key and out in a perfect place where it is not easy to lost anything I mean to keep away from mouse .
And also you should make backup of your btc wallet , since Bitcoin private key is a option where you can access all of your btc but still backup made us the way to handle the wallet in whixh you made account .
And also if you have btc in bulk amount then the it is more better to use two factor authentication system .