Don't pack as many t-shirts as you were going to. Why? Because MIT has this cool habit of giving out free t-shirts left and right. Think I'm kidding? I did a roundup and gathered all of my free shirts together. Here's the pic:
It may be hard to tell how many are there, so I've created this alternate version of the picture to give you a better idea of how many shirts there are:
I can go an entire week on free shirts! Yes!