Best Buy and Target: Will match prices on purchases from early November to near Christmas -- Dec. 21 for Target and Dec. 24 for Best Buy --  in local stores and select online retailers.

Home Depot and Lowe’s: Will match price plus an extra 10 percent discount at checkout, but consumers have had trouble getting the extra 10 percent in some cases, according to

J.C. Penney and Kohl’s: Will match local competitors but not its website or any Internet sites.

Sears and Wal-Mart: Will not match prices from Internet-only retailers, such as

Staples: Will match Amazon prices.

Toys ‘R’ Us: Will match prices from Amazon and other sites. Will match prices on TVs and cellphones at selected sites.