The answer has several dimensions:- if you don't take seller's financing how much lower can the price go- Do you have 100k of cash to invest (10% down +80k) and what is the cost of sellers financing- What is the cost of HML loan and how much down you would have to put for both purchase and constructiondo the math, compare both options and you know the answer..Good luck.

Generally speaking, women are more on safe side, compared to men who are more risk takers.

You should ensure that they are not only operational, but in today's energy efficient world know how antiquated they are compared to other newer'ish buildings, and what the cost is to upgrade or replace these systems. 

I have also always felt about it that an x% rule can not be used the compare low end properties with high end properties.

I am amazed at how fast properties are moving compared to my other areas.  

We have amazing 1st floor tenants and I think we are comparing everyone to them which is sort of hurting our judgment on people.Tenant A:Young couple (mid 20's) with a child who is about 9 months oldMake over 3x rent requirement and have 600+ credit scorehave been living on their own with rent less than what mine isonly guy works, girlfriend does notThey want to move in for July 1st (because they want to give their current landlord 30 days notice, plus need to have time to get money to move in - first, last, security)No major red flags here, pretty basic coupleTenant B:18 year old fisherman and his 17 year old girlfriend/fianceHave been living on their own, paying $200 more a month for rent (looking to downsize)He makes anywhere from 2-5k each trip out, which would be more than enough to cover rent, she works at Taco bell, but really she doesn't even need to work in order for them to meet income requirementsvery enthusiastic about moving and will literally move in tomorrow if they could. 

Nothing loaded Lane Kawaoka We are gathering information and doing some more research to compare the investment motivation of more informed investor the less informed to make an initial investment.   

I always install it when I buy a new unit, so I can't say what kind of increase is warranted, but I will say that I estimate my houses would rent for $100-150 less per month if they did not have CHA (comparing them to the market where CHA is not installed). 

Is there a better metric besides those two to compare two properties apples to apples?

For you, the buyer, the cap rate allows you to compare investments to each other.