That's dangerous, dumb and will cause you problems every time.

There could be a danger in month/month that you don't see. 10 years, you probably know them pretty well, and maybe monthly would be ok.

I don't care at all any of the protected class characteristics of a tenant, I only want to gauge will they like the place can they afford it, so I can do fewer showings.

Fewer from Michigan.You are better off using this list to find someone https://micpa.org/

But you are also concentrating risk into a single, or at least fewer, properties.  

Personal experience and data say they are a dangerous breed.

The worries I am concerned with are more of the cost of maintenance items if I had more properties versus fewer properties, but I am coming around to the fact that if the numbers work and I buy right I should have no problem maintaining a profit.

A lot of multifamily lenders will serve different buckets, generally2-45-89-2021-50with fewer options the higher you go, I can share some options depending on which bucket you are looking at

Moving too fast and analysis paralysis can both be equally as dangerous.

In my market that's dangerous.