If not, I most definitely would reach out to the tenant, introduce myself and ask if they are going to be out by the 31st or the 1st, I would communicate  to the tenant as if I know they were told they are expected to leave, otherwise you may find they "do not know" they need to leave even if they actually know they need to leave....In the case they claim they are not aware they need to leave, you would need to follow the laws in the state you purchased the property, usually you can find that info on the states judicial branch or speak with a landlord tenant attorney. 

If it's worth that much, taking a HELOC on it should not be an issue at all long-term or short-term as long as the bank will do it.

Private lenders are certainly an option but a fund structure would be much more efficient and scalable. 

Most mortgage companies will not call loan due if payments are current but you do run that risk and need to be prepared to payoff or refi at a moments notice.

This forces you into an endless loop of Cancel - "Retain my benefits" What do I need to do to cancel this membership?

Each corporation runs differently so some are easy to deal with and some not so much.

Off-Market: I was working for a storage facility and the owner needed help removing his stuff because he was moving How did you finance this deal?

I would guess you need to have someone full time for atleast three months to start getting anywhere.

Once you have property it makes it so much easier to bring in investors and partners.

I can help compare BP features but without knowing too much about Privy's functionality I'm not sure I can give you a great answer, other than of course BP Pro comes with more perks than just deal finding.