Instead of 40 houses cash flowing $200 each or $8000/month, you buy 10 houses and pay them off for a cash flow of $10,000/month with 1/4th the headache.People don't understand the amount of time, energy, and stress involved with managing a lot of doors, especially if they are lower-class properties typically needed to generate cash flow.

As far as the sale of a property with a mortgage on it, that all gets sorted out at close. ie, you bring your money, the bank gets what they have coming, the realtor gets what they have coming (if there's one involved) and the seller gets the rest.

Those are 3 days, involve a bus tour and more.

When people take advice on here, they need to consider all things involved and not run with one perspective.

You are correct, however I was clarifying if the ask involved trying to figure out a persons’ citizenship like asking for a the person’s green card in addition to or in place of. 

In this era of increased rates, obtaining properties that will produce a good return are harder to find and often involve quite a bit of work.  

Creative financing doesn't involve the bank, the appraiser, the inspector or concessions generally speaking.

Add in community involvement any way you can.

Understand the fees involved and calculate the total cost for an entire year of management so you can compare the different managers.

There is so many ways it can go wrong and being a greater negative for parties involved.