You are off to a great start with knowing friends that are already real estate investors and BiggerPockets can only enhance your network!

Making money on the buy is an old saying, but it is really making equity on the buy.My final comment "Lastly is you make money on the buy not the sell." regardless of it's age will withstand the test of time for the simple reason that purchasing properly regardless of market conditions greatly enhances your odds of having equity.

And without any enhanced encryption!

It comes in many varieties and flavors, and almost ALL of them will be enhanced by having a license.

Total true taxes I believe are the same & then personal situations apply (STAR, enhanced, military etc)

Many investors run into issues with raising capital due to errors from years ago, particularly issues that effect their credit, so the question is do tradelines work to enhance your credit to the cream of the crop and qualify you for the best terms and rates for your fix and flips and buy and holds?

The missing windows and walls and graffiti throughout must have been mistaken for artistic enhancements of the property since there wasn't any other way to justify a higher number.

Your coursework, the people you meet, and your experiences will add to your knowledge base, enhancing your real estate objectives.

Don't massage the numbers to fit the return you want. 

The validity of the lease may also be enhanced by evidence that both parties complied with the terms of the lease and that the rents were paid on time.You are not paying yourself a rent, but your Medical practice ( hopefully it is LLC elected as S-corp) is paying a market rent to your business entity, which is LLC.