Assume a couple of months of vacancy, consider potential unexpected repairs (like HVAC or plumbing issues), and test the numbers with rents dropping by 10-15%.

Get there in person and find the house in a sink hole or wrapped in meth lab tape or some other huge issue not seen online.#5 There used to be a lady named Sandra Edmonds I believe and she went by the name of TAx Lien Lady. 

Verify its condition and ensure the seller discloses any known issues.

The Fannie and Freddie programs handle this issue slightly differently.

You have to watch out for properties that hit 1% or higher, but have cap ex and tenant issues.

The real issue you should address up front is what does the seller want?

We hardly ever get a call or text about any issues.

The LLC is just me and my wife that owned the initial property so that wouldn't be an issue here. 

Both lost their homes because of the shuricanes and went into having credit issues because of this.

This issue also naturally drives up deductibles.