Looks like Tripalertz.com $5 referral credit is back! It says "No limit" to the amount of referrals. Here is my link:http://www.tripalertz.com/pages/curtain/?friend_u=47675 If you haven't joined (free and you receive $25 credit) then join and post your link here too so others can use yours too. Email your link to friends, fam, post to facebook, twitter. Each referral earns you a $5 credit. Friend joins for free, no purchase necessary.