There are load of these Daily Deals sites these days Like Groupon. Here is a list of some that are offering free credits for signing up via these links.
FREE $15 credit when you signup right now. This is your chance to score some cute home decor for a steal! I love this site! Sign up now HERE to get your $15 credit!! If you sign up today it won't expire until 4/13/12.
Plum District - Sign up HERE and get $5 off your first purchase.
SaveMore - Sign up HERE and get a $10 off your first purchase
Lot18 - Wine + Wine Accessories. Sign up HERE and get a $10 credit towards your first purchase.
MyHabit -Women's, Men's and Children's Clothes + Accessories
Sign up HERE. Always FREE Shipping too!
Rue La La - Decor, Apparel, Children's, Vacations. They offer $10 Credit for referring your friends. Go HERE to sign up.