There's also a considerable risk that the person you're dealing with isn't actually the owner of the property.

Personally, I'm on a hiatus until rates come down a bit.

There are a few good ones - I personally like Craig Curelop and Ben Leybovich’s books.

I wouldn't say you're going to learn as much going through an online course as you would an in-person one, but it is a lot more convenient. 

Scott Carson, a "notes guru" is not a good person.

Knowing what i know today, I always encourage new investors to do their first investments with professional guidance if you can find it -not so much the guru courses, but a personal approach from a genuinely experienced investor in the market you are entering.

Network Network Network (On the fourms, 1:1 coffee/lunch with local investors, agents, lenders, and in-person at local real estate meetups) - Here is local meetups listed in BP:  https://www.biggerpockets.com/forums/521-real-estate-events-...1. 

Be a real person.

Large non-refundable EMD will overcome not seeing it in person. 

That's a good idea too, or a personal guarantee potentially if they signing as an LLC.