If so, do you have any paperwork that supports the vesting to be able to show a potential lender? 

On the positive side, it seems like you have a good potential BRRRR that you can use to purchase additional properties.

That's why there's a lot of appreciation potential here and cashflow.

Although this is a long term investment and not in the main stream, it has added a certain level of comfort knowing the above potential investment risks are to a degree reduced.

Disallowed losses under wash sale rules increase the cost basis of replacement securities, potentially reducing future taxable gains.This post does not create a CPA-Client relationship.

In theory, yes you could get under contracting adding "and or assigns" but really good odd's that's going to kill a significant # of potential deals.

These rules have increased risks by making it difficult to get rid of poor tenants that pay their rent.

I have seen some properties on MLS that I contact my realtor and they may know right away the reason it isn't selling from showing it previously, or they can review the realtor comments that aren't viewable by the public on MLS.Other potential reasons I have seen properties listed on MLS for a long time. 1) Some investors may not be comfortable inheriting existing tenants.2) It may be it is a class C neighborhood. 3) Structural issues.

What is your risk tolerance?

At a minimum, having viable plans in place for development will make these lots more marketable and valuable to potential builders when we have conversations.