Because there are nuances to seller financing, a lot of space would need to be devoted to covering the subject to make sense, and that requires sitting down to a cup of coffee for a long discussion.

We recommend you get management contracts from several PMCs and compare the services they cover and, more importantly, what they each DO NOT cover.

Worst case, you just cover it yourself and keep good neighbor relations.

Also It seems that in my city this doesn't exist with a duplex, triple etc.. 

Would it be reasonable or unreasonable to tell our tenants they need to cover the cost of the repair, several months after we had told them this guy would repair it for free?

You could also buy from an existing landlord that has a section 8 tenant.

@Chris Seveney The types of leads I'm targeting are absentee owners, vacant properties, pre-foreclosures, tax delinquencies, and probates. 

Hi, I ordered two ADUs from TINI Living (they're in Spain). The units are ready, but due a personal situation I only want one. I'm willing to sell the other at cost. It's 400 sqft and high end finishes. If you're inte...

If the permanent financing will allow you to recover most of your initial investment and the fair market rent covers the principal, interest taxes, and insurance with cash left over, you have a BRRRR.

So focus on lead generation.Once you have that covered, then yes you do need to have a bit of insight on the workings of the transaction.But all this should be easy to figure out the moment you keep commonsense in play.Start with getting in touch with a wholesaler-friendly attorney for your closings (if you are in an attorney state), and build a relationship with him (that is also what I did)..He should guide you along the way as you go.