Looks like not all cups of coffee are at all created equal.
If it’s caffeine that you are looking for, then you might as well get your money’s worth.
I seldom buy coffee out, but almost always make my own. If I do, I usually will pick Peet’s first and then Starbucks because I do want the best bang for my buck.
How about you? Does this graphic cause you to rethink your coffee shop preference?