• It should always be with me. I could even always carry it around like a small a MacBook. For example Stephen Wolfram always has a computer with him.

But I never like to be computerless, and the 13′′ laptop is a heavy thing to lug around. So instead I also have a tiny 2-lb laptop, which I put in a little bag.

• He uses a 12-inch MacBook to lug around.
• A MacBook could be better choice for this instead of an iPad, but I already bought have an M2 iPad Pro which should be able to serve me as a portable laptop instead of an M2 MacBook Air.