If your area just had a boom is new houses, The area may be saturated with houses and you’ll have a hard time selling it.

Doing market analysis or airDNA or other things will only tell you what the market is like TODAY. the number of Airbnb type properties continues to grow rapidly, and many places are becoming saturated.

How do I determine if it is already saturated and should move on?

Right now our team is excited about the development in these neighborhoods:Twin AireChristian ParkSouth Fountain SquareEast Fountain SquareArsenal HeightsMapleton Fall CreekKing ParkFriends and NeighborsGarfield ParkBates-Hendricks (it's still possible to find a deal here but it's quickly becoming saturated) 

Baltimore apparently is saturated with investors. is there a way to find off market properties so that I have that small window to line things up and secure the property, or should I offer more to show that I am serious?

Sub floors have areas that are saturated from cat urine.

Water saturated ground can compromise the foundation of the building leading to cracks in the foundation footings, the floors, maybe even small amounts of sinking (not to mention the increased possibility of fungus and mold build-up).

Another issue I have is once you penetrate this skin on the foam it no longer has the vapor barrier qualities and the foam will become saturated and hold water.

Many turnkey companies operate in the most saturated rental markets.

So the primary markets are saturated, and investors there are basically parking money with minimal immediate COC return.