Once you've given these entrepreneurs their money, what incentive do they have to actually let you in? If the shit hits the fan, you have nothing additional you

Once you've given these entrepreneurs their money, what incentive do they have to actually let you in? If the shit hits the fan, you have nothing additional you can offer them and the rule of law has already broken down. Seems like the best course for them would be to shut the door behind them and lock you out.