This could include tips for cleaning, when/where to return the keys, when you will inspect, when they can expect the deposit back (based on the law, not your personal schedule), etc.

Thanks for the tip @Lance Lvovsky Any other ideas on how I should go about determining a cost basis when there's basically nothing to go by except perhaps performing a present value calculation based on inflation?

Any advice or tips would be greatly appreciated.

All really good points and tips.  

What other tips do you have for me?

Also a firm understanding about finance and the nature of money in general is key. 

For those of you who use Podio/Pipedrive, what are some tips and tricks you have to share?

What are some basics to consider in this and any hint/tips/links for more resources to look into or podcasts on this?

I’ve found Investing in Real Estate 7th Edition and What Every Real Estate Investor Needs to Know About Cashflow and 36 Key Financial Measures to help me understand the concepts of analysis by leaps and bounds.

I was hoping there might be some tips on what I could say to them (in a nice/professional manner) to highly encourage them to just move out while they still have time.