If you honestly believe they may not have presented your offer, contact the agent's broker.

You have a contact that has too much inventory.

Should I attempt Sub-2 or contact the bank and try and work out agreement before foreclosure?

I would highly recommend contacting local housing authorities and advertising on their suggested platforms if you haven't done so already.

You may need to seek legal counsel on this.2) Get all the info about your rental property as possible: leases, rent ledgers, tenant contact info, etc.3) Start looking for a new PMC4) Execute your termination notice5) Once transfer is complete, circle back to decide if worth suing them.

What counts most in RE are relationships, and this is as easy as going to RE meetups and adding every day just 1 new contact in your CRM, and following up every other month.  

I recommend you contact Capital Concepts out of Las Colinas.

Maybe try contacting AirDNA directly - they haven worked with me on pricing in the past.  

Said it was for sale but didn’t have any contact information for them.  

I would suggest contacting companies for each trade and get an average bid from each sub.