An average Starbucks drip coffee is an estimated $2.10 for a 16-ounce grande coffee. However Starbucks charges an estimated At home drip coffee costs an estimated $.08 per 16 ounce serving. This poses the question of why people go out to a coffee shop to get their caffeine fix. It could be for convenience, walk in order and leave. It also could be for the coffee shop environment. Many people will go study or do work at coffee shops now days. Regardless of this, it is still significantly cheaper to get coffee at home. People can save a lot of money getting their coffee at home. The answer to the question why do people pay for coffee is very unclear, there may not even be an answer.