I am selling three pairs of brand new (still in package) tights for only $12 (for all three pairs!) on ebay. Click the link below if you'd like to take a look. Two pairs are Danskin (one footed, one convertible) and the third pair are more like ballet tights (Gilda Marx brand).
http://www.ebay.com/itm/300664069204?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649#ht_834wt_78
Thanks for looking!