During my pregnancy I signed up for Enfamil and Similac. I receive coupons for both every month, but only use Enfamil. Has anybody been able to find someone to swap/trade coupons locally (they are printed ones you receive by mail)? Or at least give the ones you don't use to someone who needs them? I have $30 in unexpired Similac coupons and would feel bad to just throw them away...