BRRRR Process Cost Analysis Road Map

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Hello everyone, 

I'm reaching out to the experienced BRRRR investors (pennsylvania preferably) who can give me a cost analysis for a BRRRR from beginning to end. I realize lender fees vary but what I'm trying to do is draw a map for all the associated fees beginning to end - (percentages of sale price will work also in lieu of exact $).

As an example, I'm looking for itemized cost for a 100K cash purchase with an additional 20K invested for rehab. Refinance at 80% ARV comes out to a 120K loan @ 4.75% rate.

Working under the assumption this is accurate, what other costs reside that need to be accounted for?