Been looking for properties for a first deal to hopefully do a BRRRR and am getting to the point I almost ignore the listed price to see how low I need to go.

That said, I have been aware of jurisdictions in the past which have permitted (or simply ignored) non-egress windows in basement units provided egress was in close proximity of the sleeping area  - I do not know if any authority would do so today.

This shouldn't be ignored.

However, one can not ignore the returns, granted there will be greater turn over and potential maintenance  costs.  

This is Massachusetts after all, where judges routinely ignore the statutes.3. 

I've walked away from a few deals with sellers who get stuck to the ZEstimates price while ignoring all the other market information.

I’ve though portfolio lenders that might make a decision based on my situation but I can’t seem to find one that will ignore that foreclosure.

Disregarded entities are entities that exist from a legal perspective but are ignored for income tax filing purposes.  

To answer the question on S- Corp, ignoring the liability concern, flowing the flip profit through S-corp makes sense when you make more than $40-$50k.

I could ignore it, but the buyer would not know there is a hole under the command hook.