Understand its impact or know ways to by pass the seasoning.  

The protocol, my team tasks in situations like this would be the following: First, evaluate if the requested repair is truly cosmetic or if it impacts habitability.

It has ZERO impact on your heloc rates.

He already has his mortgage - so, a blemish on his credit really won't negatively impact him.All you could go after is his bank account and state tax refund:(

The shorter the prepayment term has an impact on increasing the rate.4.

The bottom line assumes that your overall cash flow will go up from acquiring this new asset, which existing property, when you leverage will have the smallest negative impact on your overall cash flow. 

Here's my primary reasons:Expenses disproportionately impact lower rent collecting properties For illustration purposes compare two identically designed 1+1 duplexes in the same market.  

Congrats you just made discovery a more drawn out process than necessary and your insurance carrier's legal bills have gone up which I can assure you will impact your next year's premium.  

He is an electrician and lost money that had a big impact on his life, set his family back a few years financially, prevented them from being able to buy the house they wanted to for themselves to live in, caused a lot of stress in their relationship etc.

Also, be aware that if you are thinking of doing a BRRRR that maxing out your HELOC can have a negative impact on your credit score so when you go to do the refi you may potentially run into issues.