Now with that said, if your property is, for example, on a busy highway or street... you should be putting the vast majority of your marketing dollars on "curb appeal and signage", as opposed t a full page advertisement or fancy website .  

That is always a good way to do it but you will give up some money for the privilege of the vast network.

Your terms will look vastly different treating this as a residential 4-plex compared to a commercial 5 unit.

I would say that the it is also important for anyone that looking at these types of areas to remember that the potential returns do come at high level of risk as you are investing in a developing countries and you need to take account of the specific location of where your investing in a place like the Philippines as wealth and culture can be vastly varied from one area to the next.

I am trying to purchase  a vastly underperforming boutique hotel/resort property and was wondering if you have any experience in this area?

So that's another hurdle to overcome (they are typically overpriced).The vast majority of real estate lawsuits come from unrepresented parties.

The vast majority of AirBnb users are looking for inexpensive accommodations and really nothing more.

With the vast majority of agency agreements, you would have to be the agent regardless of where the buyer comes from.

The vast majority of buyers will be better off with a competent buyers agent than going it alone.

Driving for dollars is conceptually fine, but the VAST majority of your effort will be spinning your wheels.