The problem with this is that average amenities - ability to cook your own food, wash your clothes, access to electricity, water, internet is not a given when you have a van, and you might need to accept more time consuming, less effective, more costly and less reliable alternatives. And if you consider time being money, you can quickly end up in the red.
And not to mention vans, which are expensive to buy, run and repair.
I'm pretty sure if he decided to move 100km away from his chosen tech hub, he could rent a property dirt cheap.