Based on this approach, we're now taking an approach of assuming smaller v larger new mortgages and trying to sure our cash flow in each property is stronger. 

If you are dead set on a HELOC you will likely need the following for an investment property: An excellent credit score (720 or higher), A maximum 80% loan-to-value ratio, Healthy cash reserves on hand, Sufficient income from tenants, Additional features that make the property attractive, like whether it has long-term tenants (Source https://www.rocketmortgage.com...)

What are some of the approaches taken to establish a better settings for future flips?

Do you think using a cost approach formula would work in this scenario by adjusting the comps via increasing the total value of the straight line depreciation by the delta of the age?

I am interested to find out if marketing approaches also changed.

We are quickly approaching the 45 day deadline which is this Friday (1/14).

Check out Noble Mortgage, I'm currently doing two refinance loans with them and they have investor friendly approach to things.

I want to best approach these people I'm wondering what happens to those people who go with discount brokerages?

One great approach is to draft into the operating agreement that early exit isn't permitted. 

We respect those who would approach this differently.