Over time, I have go to staples and with resources like Minoan, I've brought the price down a bit.  

A lot of those people are financially vulnerable and lack resources to go against the seller.

The issue with remediation/removal of lead-paint components is the financial means of the landlord. 

Having family with trades is a huge benefit, even if they don't do the work, utilize them as a resource. 1.

Looking forward to receiving direction and insight from a vast and amazing resource.

That sounds like someone who has been going in the wrong direction financially for whatever reason.

You might consider: Consulting a Real Estate Attorney – Your emails may possibly prove misrepresentation.Requesting Public Records – A FOIA request might reveal why the city denied you but later approved the duplex.Escalating to City Officials – Bringing this to local officials could expose inconsistencies.Exploring Tax Write-Offs – A CPA might help offset your financial loss, if it is possible.I’d definitely seek legal advice.

Are they just going to teach me things I could learn here or other resources?

I can also be a resource for you if you're interested in acquiring run-down or as-is properties.I look forward to connecting with you and learning more about your real estate goals.

BiggerPockets is full of resources designed to help you along your journey, whether you are just getting started or a seasoned investor.