Summary: it turns out to be quite profitable for prop firms to charge prospective prop traders non-refundable "evaluation fees" to try and join the firm - which only a single digit percentage of traders will pass.
Even if a trader passes the test, the firms can have charges and ongoing subscriptions and also may do dirty tricks to avoid paying out the prop trader's commissions (of the trading profits).
Summary: it turns out to be quite profitable for prop firms to charge prospective prop traders non-refundable "evaluation fees" to try and join the firm - which only a single digit percentage of traders will pass.
Even if a trader passes the test, the firms can have charges and ongoing subscriptions and also may do dirty tricks to avoid paying out the prop trader's commissions (of the trading profits).