It was just an illustration, I wasn't meaning for you to go buy it. I don't know enough about phone prices to be able to say whether that's a normal price or not. I used it as an illustration because I have picked up plenty of smart phones on sale at Best Buy. Most recently the Moto E for about $20 on sale.
Here is the full list of all the Moto G phones at Best Buy--> http://www.bestbuy.com/site/searchpage.jsp?st=Moto+G&_dyncha...
Prices start at $99 and the model you linked to is really $179.