Colby Mehman, formerly of Steven F Austin where he ran a 29:34 collegian, is borrowing from the Xavier Rodriguez playbook. “Right now, the plan is to run the Trials, and I’m not sure how far I’ll take it after that, but [I still have] two three years left in the van,” he said. “I only get one chance to do this in my life, so I’m going to take advantage of it," said Mehman.
Here is a past thread about living in a van while pursuing the dream.
And another thread from a guy who contemplated it: