It is that aspect of Ohio Cash Flow that interested me.

Here are some of my favorite books in the BP Library:The Book on Tax Strategies for the Savvy Real Estate InvestorThe Book on Advanced Tax StrategiesThe House Hacking StrategyRental Property InvestingWhat do you feel like are key aspects of your business that you currently or need to review?

#BoomIts hard to find the right people and company and this is one of my favorite aspects of being part of Ohio Cashflow...

Prior to your nineteenth birthday, make sure to carefully plan and conduct research on potential properties, market developments, as well as the legal and financial aspects related to real estate deals.

With Fannie/Freddie they do NOT define a "second" home with how many days you occupy it.  

. § 1.469-9(g) to treat all interests in rental real estate as a single rental real estate activity, and the taxpayer holds at least one interest in rental real estate as a limited partnership interest (as defined in Reg. § 1.469-5T(e)(3), the combined rental real estate activity is treated as a limited partnership interest of the taxpayer for purposes of determining material participation. 

Investors tend to be more discerning and astute, meaning they'll closely scrutinize every aspect of the deal. 

Are there any specific calculators or tools you recommend for analyzing the financial aspects of a seller financing deal?

Underestimating the time commitment necessary for successFunny how the more complicated, higher risk, and more knowledge required to succeed in a Particular aspect of real estate the easier and simpler the gurus make it sound.

@Daniel Kauffman for one, I didn't like the lack of control over my own rental and it took the personal aspect away.