It went to their spam reject.  

It probably is his way of passively rejecting an STR next to his home. or worse, he’s a perv. 

I know many times the offer may be rejected, and hope for a counter, and not a butt chewing.

2) How likely is your application to the J&R Rent Adjustment program to be accepted or rejected?

After doing research & learning that declining requests significantly impacts visibility, I'm left with two questions: 1) How would you go about rejecting people to avoid vacancies without getting penalized?

We made one offer and it was rejected.

I have never heard of a provider rejecting an investor.

I should have rejected the first immediately as it was not hands off, but a flipper and was requested by someone considering adding an ADU to their property in the same vicinity. 

Bad reputation with some agents- We've had a number of agents recommend to their clients to reject a NACA offer.

So you think his listing is a scam because he rejected your offer on something that frankly you're not a qualified buyer for?