>Low pay, long hours, everyone is a 'manager'...
There have been class-action lawsuits filed against dollars stores addressing this very issue of misclassifying employees as managers in order to avoid paying hourly overtime.
Family Dollar lost a $35 million judgment[0]. Dollar General faced a similar lawsuit, but the case lost class-action certification on a technicality[1].
[0] http://caselaw.findlaw.com/us-11th-circuit/1459728.html
[1] https://newscenter.dollargeneral.com/news/court-decertifies-...