This is a tried and tested strategy that is widely used (and abused) in ultra-hot real estate markets (see: Toronto and Vancouver). 

I’d be more concerned the pocket doors are not up for abuses, and that they are harder to service.

Most likely, they will be happy to help you out with advice and the occasional form as long as you don't abuse the courtesy.

Written by IRA attorney John Hyre:The Mazzei Roth IRA Case – An End to Magical SchemesThe Tax Court took a major step in the direction of curtailing SDIRA abuse.

i guess this will be tougher to regulate, but from what i have seen this specific building has decent tenants who did not seem to abuse the service. 

The 10% while vacant sounds open for abuse by an unscrupulous company and provides no incentive for keeping vacancy down.

S8 is high risk, not due to payment so much as opposed to damage/abuse to property, violation of the lease, restricted breeds of dogs, bringing in unregistered tenants etc.

This should cut down on some of the irate callers.These methods may not be a "be all end all" approach to irate callers, but it just may cut down on some of the abuse taken up front.Just some ideas.Jeff V

You can’t abuse the service, such as calling multiple times regarding the same subject, but for your question it would be super beneficial and probably save you at least $200.

You don't need to get a roofing permit in my town, the reasoning being that it isn't abused as much in my A neighborhood like it would be elsewhere, and if it is abused, people have the money to fix.