Want $20 off sent to your inbox? After about a week, eBay sends its new members a welcome coupon code for $10 off a $20+ purchase, then $15 off a $25 purchase then $20 off a $30+ purchase. To sign up as a new member, click through this link and then click on "Register" at the top left of the page to sign up for special offers and an eBay account. Coupons are sent incrementally and may take up to a week for the first one, up to two weeks for the second one, and up to one month for the third one to arrive. Coupon codes are one-time-use for the individual subscriber.