I don't have specific data on the hours that Dollar Tree store managers work. However, in general, retail store managers often work full-time, which typically includes around 40-50 hours per week. This can vary based on store needs, peak hours, and operational demands.
For more precise information about Dollar Tree or feedback from current employees, I suggest checking employee reviews on platforms like Glassdoor or similar sites. These reviews often provide insights into work hours and expectations.