Ali Boone wrote a great article recently on market over saturation due to institutional investor activity (in Atlanta)Happy Investing folks!

I don't think the market is totally saturated yet, and even if it is getting close, I think there is a lot of opportunity to market better than most of the competition.

In some areas the markets are saturated with offers. 

But what I was doing is saturated and no longer is producing enough inventory.  

I think you'll find some saturated areas like Disney are covered up with vacation rentals.  

The market is so saturated with investors with deeper pockets than you, me or half of the Biggerpockets bloggers put together.

STRs are saturated in many historically good STR markets and many jurisdictions are banning or heavily regulating STRs.  

Once you reach saturation and you feel confident in what you're doing then it's time to branch out.

However, if pet urine has saturated the subfloor, 100% of the cleaning/sealing cost can be billed back.

Also, as the area gentrifies, prices on existing rental properties won't go up, the market will get more saturated and prices will stagnate or go down for a while as more rental stock comes online.