There are many other tax strategies you could be taking advantage of outside of the real estate world and a good financial planner will help you identify and maximize these benefits in the context of your overall goals.

But don't let this guy take advantage of you, you have a business to run after all....you need the money, your family needs the money. 

I recommend you educate yourself on how to screen an ESA before someone takes advantage of your ignorance.

Look for ways to make the home stand out - unique theming, advantageous location in the resort near the clubhouse, or with a view.

You make a great point about market selection, too.

Knowing exactly what you want is a huge advantage!

But even then, seller financing is rarely substantially better than another investment they could make (including trust deed lending, which will often be at a higher rate than seller financing)In my experience, the owners who find owner financing advantageous are at the ends of their careers and are not interested in looking for another investment (other than the usual retirement funding sorts.)

From my experience working with over 400 investors, starting early gives you a huge advantage in building long-term wealth.

And let's be honest, your looking to take advantage of them and upset that they keep beating you to the punch.

For the BRRRR method, this would likely be more advantageous to you.