There are several sites, that offer a variety of services, which will pay you, simply for signing up. Probably the two easiest are Ebates and BeFrugal. Both of these are cashback shopping portals. Just for signing up you can get $10 (of course for Befrugal, I’d prefer if you use my referral link located here: Support my site). There are several others, but I will just link you to another blog for that: http://moneypantry.com/get-paid-to-sign-up/.
Additionally, there are quite a few sites that offer referral programs which will earn both of us a cash bonus when you sign up through my (or another friends) sign up links. This again can be located here: Support my site. Also feel free to share your own referral links in the comments of this blog post.
For a massive list of sites that offer referral bonuses, check out this page: http://moneynomad.com/over-100-referral-programs-that-pay-you-to-refer-a-friend/