The one and only time I've heard Dave Ramsey address the idea of "good debt" and "bad debt" with enough time given to make a complicated point, he talked about how difficult it is, specifically in real estate, to precisely calculate the risk of these investments. 

The feedback I usually get is that buyers wanted to assume the loan but the process was lengthy and complicated, and buyers eventually moved on leaving the seller with no equity and option to sell other than writing a fat check at the closing table since they had to continue to lower their price.

If the plans are super detailed or complicated forget about it. 

You are making it more complicated than it needs to be.

@David G. your making this WAY more complicated than it need be. 

Something tells me you won't be working 4,060 hours to do so - 80 hours a week year round.If it is a more active rental model that it is not considered "rental" income, then you would need to put in at least 100 hours with that being more than anyone else (employees, contractors, management company, etc), or you would need to put in at least 500 hours.So your "quick" question is actually fairly complicated. 

This home needs some rehab and she was concerned it was going to complicate her effort to sell it.

Quote from @Bob Stevens: Ok so it seems EVERYONE is making renting to sec 8 MUCH more complicated than it needs to be, not sure why.

They may need to access cash or move to a more suitable living situation.Tax Liens or Legal IssuesOwners facing tax liens, legal disputes, or other complications may want to sell their property fast to resolve these issues without further financial or legal consequences.Burnt-Out InvestorsReal estate investors who are tired of managing properties, dealing with tenants, or facing constant repairs may decide to liquidate their holdings quickly to invest in other opportunities or simplify their lives.Understanding these motivations can help you tailor your approach and offer solutions that address their specific needs, making it more likely you'll secure a deal. 

@Chrissy Gray- So unfortunately, it's a little more complicated than that.