Actually, there have been successful anarcho-capitalist societies, the most famous of which being the Icelandic Commonwealth (930 to 1262). Another well-known example is Celtic Ireland (650-1650). Bill Orton wrote a concise summary of life in the Icelandic Commonwealth and Celtic Ireland, among others, which can be found here:
http://anarchei.me/post/19248460868/have...-societies
Finally, if you have a bit of time to kill, historian Jesse Byock wrote an entire book on the Icelandic Commonwealth called Viking Age Iceland.
http://anarchei.me/post/19248460868/have...-societies
Finally, if you have a bit of time to kill, historian Jesse Byock wrote an entire book on the Icelandic Commonwealth called Viking Age Iceland.