The first interesting thing happens when you have $5 of available funds. (Specifically, autoclippers become available to purchase.) When precisely you hit that

The first interesting thing happens when you have $5 of available funds. (Specifically, autoclippers become available to purchase.) When precisely you hit that point depends on how well you are managing the price to balance ensuring that your unsold inventory is getting purchased reasonably quickly against getting a reasonable amount of money per unit sold, but it will probably be less than a minute.