They are complimentary rather than exclusionary.

For more info on notes, check out the following forum threads:https://www.biggerpockets.com/forums/70/topics/411...https://www.biggerpockets.com/forums/70/topics/432...In addition to the books listed above, @Dave Van Horn has an e-book that is a good intro to notes, and there is also a book by Fuquan Bilal called Turning Distress into Success (I haven't read it yet, but have heard good things about it). 

I'm restricted to Florida, but my network is international.I have resources and relationships I could leverage for paid value and content: ebooks, vetted referrals, custom property searches, a tour, education - all very top tier instead of just a typical back and forth real estate agent relationship. 

Id suggest reading the eBook as @Darren Sager suggested and, also, setting up keywords that best fit your interest and expertise i.e..

Not sure if you're new to investing or not, so forgive me if you are already familiar with what I'm about to share.I recommend checking out www.syndicationattorneys.com and reading their free e-book.

I will accommodate a complimentary hour for late check-out if it's not a back-to-back otherwise I'll charge $50-$100/hour up until 4pm...We have quite a few guests take us up on it. 

I have a duplex in Kokomo IN. no thefts but we pay hell getting the rent every month.. and If I get rent 6 months of he year then that's about what I expect.Those that live and work these markets are on them like a hawk and its their business they can make it work but a busy engineer sitting in Palo Alto and relying on a third party that's another story.On my thread were I am giving out my e book  on the do's and don't of out of state investing my personal experience's of owning hundreds of these and foreclosing on hundreds more..

I personally think the $4000 wouldve been better off invested - as everything you can learn about REI is online... ebooks, podcasts, youtube videos, and right here...BP Forums!

If you can't find what you're looking for, try the BiggerPockets' FilePlace: https://www.biggerpockets.com/files It contains hundreds of files such as ebooks, checklists, and spreadsheets for real estate investors.

@Tom Conant you can start by going to Land Academy and read the free Ebook.