Limited benefits of Wal-Mart employees also put a strain on state health care and assistance programs.
One-third of Wal-Mart employees are part-time, leaving them with little to no benefits.
But Wal-Mart employees involved in the lawsuit tell a different story.
More than a dozen former Wal-Mart employees said time records were altered in numerous ways.
Several current Wal-Mart employees said that despite the lawsuits, the problems continue.
Most Wal-Mart employees earn low wages, less than $10 an hour.
The average Wal-Mart employee makes less than $20,000 a year.
The average full-time Wal-Mart employee is paid only about $17,000 a year.
Industry experts consider him up to the task of having all 1.2 million Wal-Mart employees march to his drumbeat.
Present and former Wal-Mart employees in 28 states are suing the company for failure to pay overtime.