DIY whiteboard

I’ve been wanting a household whiteboard for a while now. I’d actually like a few of them around the house for various things, but at least one for leaving notes or whatever. But everytime I looked up whiteboards, I asked myself the same question: Why are whiteboards so expensive? I mean, I kind of get it. I also don’t. With both Ami and I job hunting right now, we can’t justify spending $80 for a…