Great insight and advise.

Readers are advised to seek professional advice.

I would list the property and advise the tenants you are planning to sell. if they want to stay month to month, that's fine.

Geesh.The Broker also who wrote those contracts and advised their clients to make these deposits most certainly has some liability here. 

I wouldn't advise pulling a HELOC unless your numbers are dialed in and you are willing to take that risk.

Explain your situation and see if there are payment plans or hardship programs available.The BiggerPockets forums have threads on tax liens and foreclosure prevention: https://www.biggerpockets.com/forums/41/topics/766025-surplus-funds-unpaid-taxes-in-foreclosure-saleAn experienced real estate attorney can advise you on your legal rights and explore potential solutions.Have you spoken with your local tax authority yet?

One the ice maker is not advisable.

The only thing I would advise is to keep a close eye on the HOA fees, as that's where the cash flow can get squeezed.

Did anyone advise you, mentor you ,on how to find and vet an interior decorator?

A successful STR needs a good bit of cash upfront and if you’re doing a BRRRR then even more now for rehab.  100% financing everything and the rehab is not advisable unless you’re a very skilled and hands on STR investor.