One of the issues I'm finding in terms of numbers with the BRRRR method is the refinancing part.

@Lina Choi asset type would be helpful, but use some different methods - define the competitive set / ie what are similar properties listed for.

If not, try the cash for keys method. 

Lumber shortage due to trade war with China.

If you had it more than a year (in some cases less) you can trade out the property for another and defer cap gains and depreciation. 

But will add that according to their site, they are a San Francisco-based company, but their (incomplete) phone number uses a Los Angeles area code.Also, this blurb looks like it was written by a VA from another country: "Harmony Investments Ltd is one of the most trusted trade finance solution providers in USA"

I’m more than open to learning, and am hoping others will find value in this as well, a strategy on how to begin wholesaling to build up a cash base to pour into the BRRRR method.

It is a tough trade off to spend double today and have to wait so many years for pay back.

I know the basic methods but when trying to research a new market.

You can use the RUBS method for your complex.