I've been researching online for the best exam prep courses and it seems like KAPRE/Brightwood Real Estate Education is my best bet as I do not need to take continuing education. 

Even if it is used to buy an investment property.But, what about mortgage interest on a cash out refinance on an investment property bought as an LLC.

Your best bet for finding deals is to out hustle the other guys. 

My end goal would be in 3-5 years refinance the property.

My end goal would be in 3-5 years refinance the property.

But very risky, not recommended.Best bet is to find a partner who can back the money.

Yes it's done all the time it's basically a live in flip under those circumstances.That's assuming you mean selling it after a few years once you've captured appreciation.Otherwise you could keep it as a rental and then refinance your equity out to buy a second property.Also worth noting as long as you live in it for 2 years you'll also get the $500k Home Sales Tax Exclusion.It's really just a matter of if you, your wife and one year old want to deal with living through rehabs.

I am looking to do a cash out refinance of my single family residential investment property. 

Would I have to refinance this home into a conventional loan before doing that?

My best bet is that he's fell too far behind with payments with them so the house fell into Pre-Foreclosure.