There are some good books that are low cost as well.

Same as @John Underwood @Madheshwaran R..Usually it is to check if they are interested in bookings that I couldn't meet due to either no availability or the rare occasion when and AirBNB and VRBO booking for the same dates at the same time.

Someone see a needed book need here?

Hello Bigger Pockets Community, I have been reading books and forums, watching videos, saving money, and analyzing markets over the last 2-years.

Professions that are booked out a long time typically are guarded.

How stable have your bookings been over the year? 

In fact, I recently used one of the methods from the book—where Chris Voss talks about "going negative" to soften the blow of an offer and make it more palatable.

We've got some videos up on this subject and a chapter in my book speaks to it. 

You will learn more when you are new asking other investors what they do, how they do it, and why they do it and it will help you develop a gameplan above and beyond podcasts and books.

In fact, I recently wrote a book about this that explains the laws in California, some of which are nationwide laws.