What is the definition of What Mortgage Can I Get On My Salary?

"Defining 'what mortgage can I get on my salary' is like asking, 'Can I buy a unicorn with just my paycheck?' It's a tongue twister of financial absurdity, but let's take it a step further with a bit of edginess. Here's a sentence that might just unsettle your financial nerves: 'Given my salary, I can potentially own a castle made of questionable mortgage-backed securities, complete with moats of credit default swaps.'"