Use an online mortgage calculator to get an amortization schedule and present it with the offer.

With that said, my goal with advance booking is to bring-in a decent amount of revenue during the offseason (winter), but don't want to scare anyone away with a large initial deposit, and of course I'd like to discourage cancellations.  

Like I said, I am looking forward to hear other people's tips or comments.

Hi,What are some on-line list building options? 

You will learn 100x what you would in an online forum and you won't get pitched every five seconds.

So that only leaves a very small window of tourist enjoyment in the early spring and of course fall.

Connect with local real estate agents, attend meetups, or hop on online forums.

Of course, feel free to reach out 

A lot of people we first speak with favor the idea of a 15 year because they pay less interest over the life of the loan, and it of course cuts the term in half. 

There's a course on Udemy now that covers more than foundation but goes through the process of how to get leads, convert them to clients, and how to get the unclaimed funds - showing you how to start your own overage business.