A national retail chain with ten Sioux Falls locations has announced plans to close a significant number of stores for a shocking reason. Dollar Tree says it is committed to shuttering 75 locations by the end of 2026. The company says the closures are necessary because the stores in question are 'substandard.' Dollar Tree has plans to add 400 new stores in the next several months. READ MORE: Get Ready For Target's Grand Opening In BrookingsNo official timetable or exact locations have been issued for the closures.