Deal analysis tools are a dime a dozen, you can use spreadsheets, web apps, native mobile apps, etc, it all depends on your preference.There are a bunch of Excel spreadsheet templates in the BP fileplace for analyzing rental deals or rehabs.Here's a few:https://www.biggerpockets.com/files/user/JasonScott/file/20-sfh-rental-analysishttps://www.biggerpockets.com/files/user/brandonatbp/file/brandon-turners-spreadsheet---rental-flip-hybrid-calculatorOtherwise, BP has their own Calculators you can use to analyze rentals or flips.https://www.biggerpockets.com/buy-and-hold-calculatorhttps://www.biggerpockets.com/flip-analysisWhat type of deals are you trying to analyze?

Just analyze the property, make your offer based on it being a deal for you, either they say no or yes, react accordingly, and move onto the next one.Addressing your 3 concepts:1 - No. 

Leverage narrows your ability to react during a crisis.

It will be interesting to see how the market reacts in the upcoming months to rising interest rates and if the fed decides to scale back.

Current: No prepayment penalties on a 2nd home mortgage through two lenders we have spoken to at length.Scenario: If we successfully flip 2-3 months after closing- pay the loan off completely and contact the same lender again for the same or similar loan for another property (to flip), how will they react?

I am a Long Island native and went to SUNY Buffalo for undergrad.

He thought she was probably over-reacting to a little mouse that fell in her toilet, so he brought a small bucket and fireplace tongs to take care of it.It was a gigantic sewer rat!  

I'm a 25 year old Massachusetts native who moved to Detroit in 2012 after graduating from Brown University.

Depending on what aspect of investing you're looking to get into, you might want to reconsider your grad degree and focus on getting real world experience by doing deals and seeing how people act/react- something school can't teach.

I know the FC process, how lenders react, what owners may do, what the credit issues can be, I have experience in doing FCs and the psychology of the owners and I know compliance as well as the RE side......and if I wouldn't try it, I don't see any prudent person attempting to do so.