@Kelsey PyleHere are my go-to's:The Handyman (Enjoyable content, love this guy)The Handyman Business (Enjoyable content, learn about the business side, and hear funny rants)Home RenoVision DIY (Actionable lessons, how-to's)This Old House - of course.. 

Most likely the state where the property is located is where lawsuits would be brought if they are something for personal injury like a trip and fall or something of that nature because the “cause of action” arose in that state.

Sounds like you have a good plan of action. 

Mainly- action

In the meantime, I'd love to find ways to take more action.

Anyway a good thing for OP to be aware of.Here's the legal definition, it does seem like emailing properties would be a part of a series of events establishing procuring cause but just that action alone would not be enough to establish it: "In the context of a real estate transaction, procuring cause refers to actions that begin or set in motion a serious of events that lead to the final sale of a property.

You might write something that shouldn’t be in there.Most credit reporting services that you screen tenants through have a standard form letter that you can use to send out the required “adverse action notice” if you denied the applicant based on information in their consumer report.

But you may want to research this seller's background, and whether they've been involved in any legal action in the past (either as a plaintiff or as a defendant). 

Is there some other action that others have found to have a good success rate?

I've been taking action in real estate since about June 2014.