They should not use third parties, unless it is for the home inspection!

You will have a hard time gaining any traction without a track record in real estate, underwriting, commercial brokerage, legal/accounting, property management or portfolio management. 

When a tenant requests an improvement, we consider it, and if we are in agreement, we hire a third party contractor to do the work.

How exactly should I set the terms of this partnership & how can I make this fair for both parties?

One more reason San Francisco has a shortage of rental housing.Free legal representation for tenant evictions.https://www.linkedin.com/pulse/our-take-new-sf-law...

That's not including the upfront cost for example Appraisal fee, Legal fees.

The subject says it all - if anyone can pass along the name of a real estate attorney they used for setting up an LLC, and maybe to answer some basic legal questions/advice related to it, I'd appreciate it! 

However, since airbnb income can be different each month, would it be legal to set up that kind of "rental agreement" with my S-corp in the eyes of the IRS?

I think the hard part is finding deals that make sense.

Now, lets step back into the plan part. I