There is a case for "good debt". "Good Debt" is used to purchase an asset that creates income greater than the servicing costs of the debt. "Bad Debt" does not. What many fail to recognize is that the house you live in is a consumable liability.
Many do not like the posts from the successfull real estate investor in Scottsdale, AZ. However, he has taken on "Good Debt". You cannot do the same in much of California.