all we can do is set up an two factor authenticator and other security purpose things dont bother for a little hard to log in that is for your own safety.
I have even heard of few people getting hacked with 2FA activated because they hadn't securely stored their 2FA backup key. Use of dropbox or google drive to store such information and other login info/private key is unsecure.
2FA doesn't make login hard, you will get a state of relax mind with it but making proper backup and storing it offline is as important as activating 2FA.
Where and how we should store 2FA backup offline? in what form? On paper?
Or what you mean under backup, moving Google authenticator from 1 device to another?