I have the mindset of trying to do something is better than nothing, with proper knowledge of-course. 

Take ownership of your mistake and learn to do the proper due diligence recommended above😊

They paid over market, possibly on purpose in order to gain market share, but we all see the results.So while the theory of being a market maker sounds magnificent, Zillow doesn't seem to fundamentally understand how to do it properly or even what it really meant. 

I'm not trying to crush your dream here but it is very clear you did not do a proper pro-forma before you bought that lot.

I have let 3 tenants out of their lease with what I consider proper notice, 60 days, enough time to have it immediately occupied.This has always been financially beneficial to me because rents have always been raised. 

Take ownership of your mistake and learn to do the proper due diligence recommended above😊

Lots of photos of the shoddy workmanship, failure to get proper paperwork and a lien in excess of amount owed seems like good grounds for him having to 'splain himself.

Would it be worth pursuing the properties (with proper dudilligence)

A true testament to the team's ability to properly identify what people are looking for and make their product stand out.

I just wanted to make sure the costs of inspection can be inserted in the Deal Calculator to properly and accurately vet the deal.