What’s the standard unsecured LOC interest rate and closing cost%? 

If you find yourself in court you will be held to a higher standard and could lose if determined that you used your superior knowledge to take advantage of a non-licensed person.

Continue educating yourself by reading books, listening to podcasts and networking with local RE PRO's.

Has anyone been able to build a non-traditional house (storage container, tiny home, modular,etc..) and have it pass under-writing standards?

When you guys contributed cash, you should have recorded cash as a contribution in the LLC's books. 2) When you invested in the LP, you would get rid of the cash from your books and record the Investment in your books. 3) After the year-end when your investment entity (not your LLC) files a tax return,  you will get K-1 from your investment entity. 4) You will record the activity of the investment that is shown in the K-1 in  your LLC's books.  5) After the books are done recording the K-1 from your investment, your LLC will file a tax return and will issue K-1s for you guys. ( just like your limited partnership investment issued a k-1 for you LLC) 6) You will pick up the K-1s in your personal return. 

Standard Lakewood 2 br 1 bath is going for about $1000 right now.

There are books available written by attorneys available as well.

After all, if you are working 24/7, and you never get a break, you are just going to get run down.If you find you struggle to mentally unwind earlier than you’re used to, try some tricks, like putting away electronic devices an hour or so before bedtime, reading a book right before bed, and making sure your room is very dark so you don’t get distracted.ExerciseYou don’t need to take up marathon running to get the benefits of a consistent exercise routine.

I'm aware of how uninformed I sound but I'm ready to sit down, read however many hours of books need to be read, study any bit of contract law that needs to be understood, and essentially do whatever it takes to succeed.

I used to like American Standard but have had issues with one of our latest so my top choice is Toto.