Why will the bank only loan us 80% of the value of our fully paid for home?
The banks figure that they'll get 80% of the value of the property at a sheriff's sale. So, they're lending you what they think they can recover if you default.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Why will the bank only loan us 80% of the value of our fully paid for home?

### Response:
The banks figure that they'll get 80% of the value of the property at a sheriff's sale. So, they're lending you what they think they can recover if you default.