California charges a minimum tax of $800 a year per LLC, and more if you have gross receipts in excess of $250k.

They are going to keep rates elevated, continue to liquidate their massive balance sheet for as long as they can, and try to vacuum up the massive excessive stimulus from the economy. 

She went to the property a few times, wanted landlord to fix numerous items which are expected of any genuine tenant as most people like to have a decent place and want things fixed if they are paying a handsome rent in excess of $2k.I wanted to rent it quickly so keen to work with her but something did not sit well with me.

If the turnkey does not sign this, and you have some contingency in place in the contract, then I think the EM just sits in escrow, and a few years later the title company just gives you the money back. without release from buyer and seller the EM at some point gets interpleaded to the court and ends up in the states excess proceeds division.. it is NOT just given back.. but the bigger question is who did he make the EM check out to .. was it the turnkey provider themselves if so good luck getting that back .. if its escrow then the above will dictate.  

So at the end of the 24 months, do you offer to just pay off the remaining mortgage (meaning the seller doesn't make any profit) with a refinance from your new homeowner, or is there a balloon amount agreed on at the beginning of the 24 months (and seller pays anything in excess due to taxes or ARM, etc)?

Respectfully, cashing out the Roth is a horrible idea under most any circumstance beyond paying off a debt obligation interest in excess of 30%/yr. 

Let the first foreclose on this asset and see if there is any excess or surplus as every penny you spend now is just coming out of pocket. 

If you can't trust when you book an Airbnb that it's real and you're going to like it, then you're going to stay in a hotel," said Chesky.Customers have also complained about excessive cleaning fees when using Airbnb.In response to these concerns, the company said that over 260,000 listings have adjusted or eliminated cleaning service fees since it started allowing consumers to sort listings based on prices."

Make sure you are charging well in excess of 7%, since you can probably get 6% guaranteed. 

Hopefully backup homeowners/STR insurance if the damage is that excessive.