I agree about PE valuations of publicly traded companies, you'd never buy your neighborhood business for 20x PE or 500x
LOL ... Amen. "Understand Classical Capitalism, do your due diligence, analyze unemotionally and simply never take a bad deal." Very good advice I received three decades ago from a wise old gent who was working on a Debtor in Possession deal. In it's essence, it ain't rocket surgery.
REALLY bad idea. Max value for this is 600k and more likely under 5k unless it includes a lot of equipment, realestate, etc.