Too Long; Didn't Read
The BIP-39 standard allows you to create multiple wallets controlled by the same mnemonic phrase but accessed via different passwords. In doing so we can keep our crypto safe even if our private keys have been compromised. We will further backup the keys on a fire, corrosion and smash proof metal sheet called a blockplate so even if your house burns down your crypto is still safe. This is not going to be all rainbows and unicorns. Most articles on this subject gloss over the pitfalls and neglect the advanced features. They make everything sound easy but we’re not there yet.