A great site I highly recommend for getting you referrals w/o cost to you is GetRef. Since 2003 it is the go to site for listing &/or joining the top paying free to (join & earn from) sites.
As a free member, there is a Gold Member option for those who want to speed up results from $4.69-$44.99 special monthly/yearly pricing, I list my EH4U splashes + my DonkeyMail PTP link + get results.
Earn 10% credits on 5 levels down, earn credits by clicking links or joining a program, forum + more. Please join me today, if you have any problems, please send contact inquiry + non-spam will be approved + accepted here for all to learn from on how to get refs to increase your moolah. ((hugs)) Moolah Mom