Very few people operate their LLC correctly and therfore this just gives them a flase sense of security.Moving into a LLC can also trigger the due on sale clause.

Be conservative because demand can go up or down at any time as can the laws -- a good general rule of thumb for STR is to make sure it still makes sense as an LTR.

If I sense the buyer is cut from this fabric, I will negotiate extra hard against repairs to the extent they simply walk.

If your properties are bread and butter, cash-flow kings, with low rates, it probably makes no sense to cash out refinance. 

There are exceptions where bankruptcy can make sense, but this isn't one of them, in my view, based on what you've shared.

In general I am anti-arbitrage but for something so unique it may make sense. 

As mentioned earlier in the thread by @Chris Seveney, real estate prices have been going up particularly in Northern New Jersey, so a lot of tax appeals are pointless or do not make any sense.

Just walk away if you sense they won't let you investigate any aspect of the property you wish to.

If it's not an ADU, then you have no limit   Makes sense.

I know this is a higher mortgage, especially for a first house, but does it make sense?