If it's a larger organization, feel free to inquire about their different staff qualifications.2.

“We appreciate you reaching out and applying for ____, however, after carefully reviewing your application, we’ve determined you do not meet the minimum qualifications required for approval.

I think you need a pre-approval or pre-qualification letter from a lender. 

Even if you have passive income from other properties, they only count a portion of that income towards qualification.

If it's a larger organization, feel free to inquire about their different staff qualifications.2.

A pre-approval would actually mean something, a pre-qualification means very little.If the bank does start the bidding high the will end up taking it back as a REO.

Are you planning on turning down C class applicants that apply before your A class millennials even if they meet your qualifications?  

In the future, give all prospective applicants a printout of your general qualification criteria with the app.  

How did you find your local partner and can you tell us more about the qualification process with the local bank? 

My recommendation would be to discuss your concerns with the owner/agent before making application; ask what the tenant qualifications would be (credit score, convictions, evictions) before applying and offer an explanation should you not meet a qualifier.