There was a related discussion[0] on HN a few weeks ago that I found enlightening. Commentator ucaetano's phrasing of the strategy was "create a desert of profitability around you". The discussion of moats vs deserts found here [1] is also useful.
[0] https://news.ycombinator.com/item?id=17047348 "Laws of Tech Economics: Commoditize Your Complement"