@Kraig Kujawa, totally agree about resting easy via cash flow.
Here are other key things perhaps many on this thread will consider about how different we are now vs. 2007:
1. The real estate bubble in 2007/2008 was primarily based on government-induced loans that were then backed by government via taxpayer. In short, due to government intervention in the market place and the consequent greed, money was too easy to get. There were people getting loans that had no business getting loans and the house of cards fell. This is not currently the issue. While loans are easier now than they were five years ago, they are nothing like it was in the early-to-mid 2000's. No comparison.
2. Those people that were getting loans that shouldn't have, are now renting and that has propped up the rental demand and thus the cash flow for investing.
3. Savings rate - In mid-to-late 2000's, the savings rate was 1-2%. It is now almost 7%
4. Not all markets are like California - Like many have commented on this thread, CA seems to be out of bounds. Perhaps there are other markets like that. But, there are still many markets where real estate has acted normally the last ten years. Even in Tulsa, where I own a significant portfolio of SFH, the prices still have room to run up. Sure, they are not as attractive as they were after the crash, but there are still bargains to be had - and rents have increased as prices have gone up.
5. Equity - In early 2000's there was very little equity in most rental properties (and real estate in general). That is not the case now perhaps due to loan requirements. This will curb panic selling should a recession hit.
So, all in all, I see a lot of differences between now and 2007. That is not to say that a recession or correction might not take place (they are usually psychologically driven), but I do believe the fundamentals are significantly different now