He outright says, "I would not suggest mimicking this approach," and not to even try "unless you limit angel investment funds to 10% or less of your liquid assets." Which at 120k of angel investments would make you an accredited investor.

The point of his post wasn't to push people into becoming an angel investor, but to push people to be willing to invest heavily in their own education and dreams.

For example, take Mondays off, with a pay cut, and pursue a writing career.