This could make the sale more appealing by solving a logistical challenge for the landlord.Things to Keep in MindUnderwrite Conservatively: Make sure you account for all costs, including property taxes, maintenance, and potential repairs.

That said there are some nuances and requirements to property implement interest tracing so ensure you talk to your tax professional ahead of time and keep the funds movement as clean as possible. 

Stationed there almost three years, sold with profit and tax break for how long we lived in the house.

Unlike a mortgage the interest on your loan will not be tax deductible.

I usually run several CMAs, with different criterial, and of course compare tax appraisal value with a wholesale price, add 5% as a fee to a transaction, in some cases.

Affordability is no more that $4500 per month  morthage/taxes insurance. 

You want to make sure the seller is getting their fair side of the deal but especially from a tax perspective, there are ways in which you can make it very lucrative for them.

If the signs point to selling, consult your CPA about the tax implications.

And given #3 above, it leaves about 20% of rent for all other expenses like property tax, insurance and other PM expenses like leasing fee, eviction fee and other minor expenses like for e.g landscaping, pest control etc.

I do a procedure every year at tax preparation time.