And there are strong reasons why a person who could make a reputation and a profit off supplying that stuff should do so.
That marginal revenue doesn't equal marginal cost for profit maximization?
Later, in 1996, Perry turned a quick $38,000 profit thanks to a fortuitously timed investment in Kinetic Concepts stock.
mid-13c., "income;" c.1300, "benefit, advantage;"from Old French prufit, porfit "profit, gain" (mid-12c.), from Latin profectus "profit, advance, increase, success, progress," noun use of past participle of proficere (see proficiency). As the opposite of loss, it replaced Old English gewinn. Profit margin attested from 1853.
early 14c., "to advance, benefit, gain," from profit (n.) and from Old French prufiter, porfiter "to benefit," from prufit (see profit (n.)). Related: Profited; profiting.