You need to showcase the 3 pillars of conversions, in a light that aligns with what that audience's ideal cash buyer to work with is.Social media is a perfect outlet to showcase who you are, what you are like, and what it would be like to work with you, all of which are essential requirements for a conversion to take place.So Social media is not just another strategy to try out on its own stand-alone.

Everything stays on Airbnb and we essentially just handle tasks for the owners, which happen to be most of the tasks for managing a property. 

Clear communication and legal safeguards are essential for a successful partnership.

It strips away the clutter and lets you focus on the essentials.

There are a lot of books on note investing, which is essentially what you're talking about.

Essentially you are creating future tax free income by being able to roll over these losses.If your income is between $100,000 and $150,000, a portion of that $150 loss is deductible and the rest rolls forward.If your income is less than $100,000, your loss is fully deductible - and THAT's the cool thing about rental income. 

Using your first property as collateral could help reduce the cash you need upfront, but it’s essential to weigh the risks and it's not really recommended specially if this will be your first.I recommend focusing on building reserves or seeking partnerships to fund flips.

They are lawyers so can appeal through the whole process essentially for free.

I think what you are describing is essentially a data center Build to suit perhaps? 

High-quality listing photos are essential, so hire a professional photographer.