This response is not uncommon, as most STR operators view their numbers as the "secret sauce" of the business, therefore they want to make it as "unaccessible" to the passerby as possible.  

Market knowledge is your secret sauce the more you know about your market, the key players the properties within the better positioned you will be to move.When it comes to approaching other investors and agents, you have to build that relationship gradually, be involved in the networking events you attend and take part in conversations and try to add value, and soak it all in. 

Follow me here:Black beans1C dried black beans3C water2tsp onion powder1tsp garlic powderNO salt yet. 35 minutes in Instapot or other pressure cooker, let it naturally releaseRice1C brown rice1/2C finely diced onion2 garlic cloves minced1 1/2C chicken broth or stock (1 3/4C if you're at elevation in Denver or Colorado Springs)1/2C tomato sauce1tsp salt1/2tsp cumin1/2tsp cayenne (less if you're heat sensitive, more if you want to ratchet it up.

I used to always have a big pot of spaghetti sauce simmering in the crock pot when potential renters would come buy to check out my house. 

They deal in extremely high volume of commodity goods where all items are of like kind, like 100,000 cans of tomato soup. 

If the first offer is accepted you've paid too much.Follow up is the magic sauce, track each property and call periodically to "check" on your offer.Never use a buyers agent.

That's it, no secret sauce there.

This is our "secret sauce". 1.

I always had tomato plants growing in my yard as a kid.

Everyone here has been giving good advice, but you keep saying you have this special sauce decoder that lets you know when a tenant is not suitable for you.