I’m Marco Arment: a programmer, writer, podcaster, geek, and coffee enthusiast. May 19, 2015 ∞https://marco.org/2015/05/19/mistake-one MacBook “One”, 15-inch Retina MacBook Pro, and Hops for scale. I’ve had mixed luck with impulse buys. As a kid, I impulse-bought Marble Madness for my Sega Genesis. I saw it in Electronics Boutique, the box looked really cool, and it was only $40. Without having re