If the water bill is $100 a month, increase the price by 20% (or whatever you decide is fair) to compensate you for the time required to split and bill and to cover additional use when tenants squander the utility.

Many require no income verification. 

In Colorado Springs I am finding plenty of properties with interest rates between 2.5-3.5% that require less than 50k to cover the equity gap.

I’m not sure the insurance requirements that I’m requesting from borrowers are appropriate.  

I agree with @Jay Hurst I suggest considering separate loans if the loan amount meets the minimum requirement, as bundling may not offer pricing or fee advantages.

That's another reason to require regular cleanings and maintenance.

It's your best bet in getting some insight into the property and you may be able to help them in the process.Understand your state's foreclosure laws and what filings are required to start the process.  

The sale price was low enough compared to the appraisal so the bank didn't require any money down.

Plumbing - does the plumbing require major renovations? 

However, there are seasoning requirements for both Fannie Mae and DSCR refinances, unless you opt for delayed financing.