It would be cool if there was like, an annotated version of this explaining some of the accounting/investing jargon.
For example, this passage:
Richard attracts Peter, a newly-wealthy budding angel investor, who agrees to put in $1 million as a note with a $5 million cap and a 20% discount.
I think this means that Peter is buying part of Richard's company for 1 million bucks. He's valuing it at 5 million, so that's 20% of the company. However, there's a discount of 20%... Which is where I get confused. Does this mean that Peter is paying only 800,000, but getting 20%? Probably not, given the context. It probably means he gets 24% of the company, right? (He's getting 1.2M worth of shares for the cost of 1M.)