In calculating the actual construction loan amount will it be the 50k+construction costs?

.- Analyze Properties Remotely: Use tools like BiggerPockets calculators to evaluate deals.

For market pricing, I collect LTR data from BP rent calculator and multiply by 1.5x.

15 - 20 year hold time.The rental investment calculators show that the four $300k properties would have a lot more equity in the future and many times the cash flow after a few years, but does the extra maintenance, management time and expense, etc. outweigh the numbers?

The 1% rule is a simple rule which is easy to calculate and describe. 

Calculate expected returns, costs, time commitment, etc.  

I’ve even had structural engineers say that a deck or other structure should have fallen down as well, according to their calculations.

Does anyone have any idea how to calculate or measure risk on something like this?  

It's worth looking at a blended rate calculator before you make a final decision of the type of loan as it will show the new "blended rate" of your HELOC and first mortgage if you go that route.

The rental income helps you but the way its calculated it gets harder and harder to qualify unless you are a high earner otherwise. 2.