But if you’re doing small developments, then you have the benefit of creating a gentrification play yourself, as those 10-20 homes will have gravitas, and you can actually influence that location.

(note that I'm not an expert on how prior usage as a rental may influence tax exemption rules - do your due diligence)3) Do a 1031 exchange.  

In your scenario, I don't think the owner really has any power to influence the ultimate outcome of the property (except maybe declaring for bankruptcy).And as always, I strongly recommend talking to your lawyer to make sure you have your ducks in a row. 

Often times they have some strong influence over the tenant and they may get them to pay up. 

We continue to influence state and local lawmakers to reject anti-landlord proposals and to pass new laws to protect us, like a rent escrow law to stop the “free rent trick.”

We just found out that the listing agent is also the financor for the investment company that did the rehab and currently "owns" the property.The concern is that he may have a stake in the profit (or loss, really) and will influence the seller.

Influenced by talks from Richard Wolff who is an advocate of worker cooperation based businesses.  

How clean the house is when people arrive will influence the majority of their experience-How new are your appliances?

will the Mortgage/Realtor Lobbying Power do to influence the President to sign a Tax Bill into Law that is friendly to Real Estate Passive and Active Investors?

Check this article which says that the placement and design can actually have a big impact on your home's interior (https://www.clerawindows.com/blog/how-window-designs-can-influence-the-interior-of-your-house/).