Staples cuts up to $100 off a selection of its office chairs. With free shipping, that's among the best dollar-off deals we've seen on these items. (We saw up to $170 off last month, since expired.) Sales tax is added where applicable. Some best bets, each with free shipping:

• Staples Berwell Leather Task Chair (pictured) in Black for $49.99
• Staples Manilo Black Leather Manager's Chair for $49.99
• Staples Osgood Bonded Leather Manager's Chair in Black for $79.99
• Staples Creswick Luxura Executive Chair for $99.99
• see more discounted office chairs at Staples