[ebbv]

Step 1) Buy a laptop.

Step 2) Work anywhere you want.

[schwap]

Using a laptop (especially on your lap) is ergonomically terrible.

[jotux]

My productivity takes a dramatic hit when I have to work on a single, [relatively] small screen and use a less-than-full-sized keyboard.

[SanjayUttam]

The keyboard + lack of monitor space reduces my productivity. Even on a laptop with a "large" (17"ish) screen and a decent full keyboard.