Mathematically, it seems to make sense to just say $1,000/mo "take it or leave it", but I'm just trying to see if there's a strategy that allows me to have 0% vacancy by keeping 10-year+ tenants.I think that anybody facing a $300/mo rent increase psychologically would just say "I'm out of here," whereas a $100/mo rent increase, I'm pretty sure they can get on board with. 

The timelines for the rehabs just don't make sense how somethings are mathematically even possible.

If the deal makes sense (mathematically) then I should do it. 

Understand: these guys use it to compare different projects, although the IRR is not the perfect mathematical tool for this comparison.

I understand the mathematics of determining whether a property is a good deal but am looking to get advice from experienced investors on what to expect for your first rental property.  

I guess if replacement cost mathematically worked out to still be a good rental I would go that route, but I'm not aware of any place where that is true.

4 - Realizing that cash flow is a result of a mathematical formula where you subtract your expenses (Including the mortgage payments) from the rental income, does the quality of a school district automatically increase the rent, and thus the cash flow you make when you rent?

I think mathematically it makes sense to use the equity. 

It was a mathematical certainty that sooner or later this country would be infiltrated by a virulent pandemic that only responded to social distancing.

I am a Certified Public Accountant (CPA, Illinois) and Chartered Accountant (CA, Canada), recieved a Bachelor of Mathematics degree, and a Master of Accounting degree from the University of Waterloo located in Ontario, Canada.What is your background and current real estate focus?