It looks like Redplum has added some new coupons including this one:

$0.50/1 – McCormick Spice, herbs or Extract – (redplum.com)

Use this coupon at Walmart to get some CHEAP spices!

McCormick Spices, Prices Starting at $1.36
$0.50/1 – McCormick Spice, herbs or Extract – (redplum.com)
Or use $1.00/1 McCormick Spice, Herb, Extract or Food Color from RP 3/13
Final Price: As low as $0.36