You can roll the cost of refi into the refinance itself which will limit what cash you pull out. 

And some of us been replying back yes there is, just where they are, how to get them, has changed a bit and it's no longer as simple as closing your eyes and randomly throwing darts at a MLS map and buying whatever. yes, those days are long gone but if your willing to roll-up the sleeves and get professional at it, there is "deals" all over the place, you just gotta get skilled on how to find them, tap them, monetize them. 

Percolation test.  

I'm not sure what you mean by  rolling "this" into my home mortgage.

(I test concrete poured at job sites to ensure it meets required specifications) And as I said in my response to Caleb that job is pretty time intensive so I don’t really see working a second or third job as a possibility if I still want to have time to educate myself and stay rested.

If you just want the knowledge, sure, take the online classes and tests.

In a box, $7,200 rent roll on $600k is very good, but we have to be missing some stuff here.

With your extensive experience in remodeling and radon mitigation, you'll be a great resource for anyone needing radon testing or mitigation solutions.

Ive done A/B testing to see if going through my mortgage broker, or going directly to the bank would produce a better result.

What a great portoflio --- sounds like taking one of them and adjusting the calendar should be enough of a test.