There are a lot of established players in the space that have reputations with wholesalers and cash to buy.  

You just have to go to the auction and see who the players are. 

To @John Underwood's point, Airdna isn't entirely accurate but they usually come in on the low end so you can always use this as a baseline.Also go with any one of the vacation rental insurance providers he mentioned.Airbnb charges you 3% if you're a small-time host, or 15% if you're a bigger player.

Of course in most major cities in Texas buying these before and during foreclosure is dominated by a few big $$$ players

The Roku interface allows incredibly easy access to cable, streaming apps, and/or other devices such as DVD players or gaming systems, without having to switch inputs or other things guests may find confusing.However, I also agree with @Nancy Bachety that it's about knowing your guests.  

There are at least two players in this space.

As a new STR player myself all I can say is we have 24 nights booked out of 31 days in July and our place has only been listed for a month.

She also had tax issues and was setting up a charitable remainder trust naming a non-profit.Long story short, there were many players in the deal.

Any big players jumping in could cause big swings up or down..

It is my belief that in the next few years a nationwide multipurpose real estate website will evolve to become a major player in real estate sales.