Quote from @Fareen E.: The available/start date is the day the unit is ready for a tenant to occupy.

Get a real email address.

When I was made aware by a colleague of mine I emailed them.

No idea if it is accurate or if anything has changed since then, but it indicated the following:PROGRAM 1 Owner use up to 2 weeks 50% of Adjusted Gross Standard FF&E in high season & 2 weeks Revenues from the Unit and accessory in low season package required.

What important business mail will be coming to what will now be your old address?

Most places have online property search tools that will give you the owner's name and mailing address for free.

HiI also got an email from zi-find.com for subletting.

Property Management Dashboard: Allows me to summarize delinquencies, notable expenses, upcoming lease expirations and rent bumps and send a monthly email automatically to the property manager for a status update.Everything I've found is either focused on the property management and rent collection or on managing investors.

@Nathan Gesner  Don't believe everything you read, especially on the web. 

I have some web design skills (I'm an engineer, so easy to learn new programming languages) and I'm currently testing my new system to manage the tenants.