ThredUP wants you to try our their great service. So go here to get $10 off your first order, and then $10 off the second too! I took advantage of this offer awhile back and was able to get 3 items for just the cost of shipping:
FLat rate shipping is $5.99. So sign up here and check them out for (almost) Free.
Use code DP50 at checkout to get 50% off all Women’s Dress Pants (Today through Sunday 9/22/13 at 11:59PM PST)