Advise that any work they performed at the property was unauthorized by the seller and they have no legal right to enter the property, alter it in any form, or lien it. 

Because it is a known issue, you'll likely have problems getting title insurance because those proceedings could alter the title in unforeseeable ways.I would move on.

They limit themselves by their lack of basic math, and how that translates to "how money works". 

Your life as you know it may be drastically altered. 

Apparently in Austin you can pay $6.50 for an express permit to retile your tub surrround and/or add insulation and a handful of other interior improvements including replacing a window without altering the size/header.  

For your case, LLC does not alter your tax obligations.

If you choose to alter your lease, GET IT IN WRITING.

At that point, the responses are going to be primarily based on your offered price vs. disclosed amenities, so you can get a good idea by the volume alone.If the response is limited, drop the price by $25 after a week (preferably having the weekend in the middle of this several day "test"), change the default image and alter the ad title slightly (or, alternatively, post a new ad) and give it another week. 

So it is possible and likely that 90% of 2-4 units you look at are in RS zones and considered "legal non-conforming"You are right, do alter it or increase density you need the alderman to change it to RT which will allow for 2-4 units and expansion.If you do not plan on altering the footprint you should not be concerned if it is RS

Not sure how that will translate over there.