It's access to credit and cash.

I read “the book on rental property investing” and it had information on how to access rental documents.

Rentometer is alright if you're looking at the outer ends of the spectrum, but they aren't terribly accurate in judging the median.A solid option is to call up property management companies operating in an area and pick their brains.When we're determining median rent for apartments, we'll often call up similar properties in the surrounding area to schedule tours and determine baseline.If you know somebody with access to Costar, that can be a good source as well.

If you are on the Appfolio basic plan you don't have access to Abodo, Zumper, Realtor.com, etc. which allow you to reach more people.I would also look into regional sites and associations to list on so you can reach people located in your area.Craigslist and Facebook Marketplace are also options.

I will charge her to change the locks so he has no access.

First, many (not all) boomers have access to better medical care and/or are taking more pains to be active than their parent's generation, meaning they will likely stay in their homes longer. 

Follow the PATCO Stops, most accessible to jobs, commerce etc. let me know if you have any questionsRegardsJoe Scorese

I had thought receipts would be requested when I first started managing my properties, but have never had a tenant request a receipt many times because they are already paying through ACH or cashiers check so the receipt can be their bank statement and the lease which they have access to online.

Shares isn't the right word, but they get access to equity.

But as I'm sure you've experienced yourself, once you access one data source it can easily lead you down rabbit hole of tracking additional data sources quoted.