Most that start on this frugal journery start with just coupons but also start looking for ways to increase their cashflow. There are many ways to save or even earn a little bit through various programs on-line. Check out the Cashbaq button on the right hand side. Cashbaq pays you cash back on on-line purchases, alerts you to on-line deals (including coupon codes and free shipping alerts) and much more.
Swagbucks awards you points just for searching on-line through them and those can be redeemed for many prizes including paypal payments or check cards. So check them both out.