Why do grocery stores buy so many checkout line registers if they only keep 3 or 4 open?

More Questions. Additional questions in this category.

• 

  Where is the largest Walmart Supercenter?
  by Answerbag Staff on August 16th, 2010 | 1 person likes this

• 

  Does Walmart have public fax machines?
  by Answerbag Staff on July 25th, 2010 | 1 person likes this

• 

  Is home depot or lowe's owned by walmart?
  by Answerbag Staff on July 22nd, 2010 | 1 person likes this

• 

  Do the Walmart stores you go to have a higher power or belief that says "Beer sale"? .
  by einsteinwasright0116 on April 2nd, 2012 | 1 person likes this

• 

  Which user on here do you think may work at Wal- Mart :)
  by BlueGirl on April 18th, 2012 | 7 people like this

• More Wal-Mart See only professionally researched Wal-Mart questions