Any tips on financing, lenders, or programs that might work well for this type of purchase? 

Good news is with that loan program, they will lend up to 110% of the appraised value.

And new ones being built early.https://usafacts.org/articles/how-many-vacant-homes-are-ther...The real issue, is people can't afford them.Taxes are too high, insurance is too high, people haven't saved money to qualify for the loan, etcPeople want their 60" TV and their 180 channels of programming and their fast internet, and on and on.

A couple of items to consider including loan program options. 

Vip tickets are sold out but General weekend tickets still available.  

Take out enough cash to renovate the home and after renovations again in another 6 months do another cash out refinance and take out more cash to use as a down payment on another REI since rates will continue to drop and lower the rate.If you have any issues with (DTI) debt to income ratios since you just purchased a home you can use a DSCR program.

Whenever I confront my tenants about this, they either claim it's being taken care of by a third party payment plan they set up (probably some sort of debt consolidation program, presumably) or they tell me they have taken care of it. 

After accepting, I was hit with (thinly) disguised solicitations as messages (“I just want your advice/feedback, can we jump on a quick call to see if you qualify for our program”) by each one.  

@Sherman Cummings - In addition to Housing Choice Vouchers ("Section 8"), many locations have other voucher and housing subsidy programs.

I know some high ends, that work with foreign entities looking to invest in the US, or 144A Bond Funding & Regulation D Loan Program: 100% LTV/LTC.