Out of curiosity, what custodian did they recommend to you?  

I can't see what you would need a course to teach you that you can't learn by reading 30 Day Stay; listening to the BP podcast episodes with Sarah Weaver, Zeona McIntyre, and Jesse Vasquez; and hanging out in MTR forums/Facebook groups.

Best thing to do is start by reading The Ultimate Guide to Grading Cleveland Neighborhoods.

Read "Long-Distance Real Estate Investing" by David Greene for starters.

In the professional opinions and experiences of the investor community, what place in WA state would you invest in a Long term rental?If you live in WA state, would you pick your local WA state market over an out of s...

We don’t know any PMCs to recommend in the Cape Coral/fort Meyers area, but since selecting the wrong PMC is usually more harmful than selecting a bad tenant, you might want to read our series about “How to Screen a PMC Better than a Tenant”:https://www.biggerpockets.com/member-blogs/3094/91877-how-to-screen-a-pmc-better-than-a-tenant-part-1-services-and-processesWe recommend you get management contracts from several PMCs and compare the services they cover and, more importantly, what they each DO NOT cover.

If you're not sure of you preferred direction with your next property I would invest in understanding investing more thoroughly and read 5-10 books as well as speak to other experienced investors.

If you're open to looking at some resources here's what I would recommend you start with based on what you've said:1.

Here's a video with some tips, but I recommend you watch several videos, read some blogs, and educate yourself on what to look for in a brokerage:

Seems like a pretty fair recommendation to me.