I book marginal candidates in between strong ones to create a scarcity mentality. 

I didn't read the website you were referring to earlier, but I know that there are attorneys who specialize only in dog bite cases - because there are laws on the books that give specific penalties that are non-negotiable, related to dog bites.  

They had an incredible view, which attracted a ton of weekend bookings.

There is a book in the library called "Low (and no) Money Down" that discusses the various methods of financing purchases.

As of right now, I have read 3 books and have listened to countless hours of podcasts trying to soak up as much knowledge as I can. 

Just enough so I know and can reconcile my books later.

Quote from @Phillip Austin: There are two alternatives to a security deposit, which I speak about in my book.

Quote from @Sean Quinn: My new favorite is in my signature. :)The best book I've read is "The Unofficial Guide to Real Estate Investing" by Spencer Strauss.

Plus if you have good systems in place, you should be spending much less time on each booking than what your cleaner spends cleaning it. 

That method will increase your ROE significantly more.Also read the BP book on BRRRR investing.