Seller Clinical Guard, $0.21 per @ Link: http://www.amazon.com/Wondfo-Pregnancy-Test-Strips-25-count/dp/
Alternatively they are $5.52 ($0.22 per) shipped from Amazon direct if you
have prime and wish to have them faster, check the extra buying options.
And lastly, you can buy them for $1.78 ($0.18 per) for qty 10 @ Deal Extreme
, but they are shipped from overseas so expect a few weeks before they
arrive, plus the instructions aren't in English, but 2 lines = prego: Link: http://www.dealextreme.com/p/one-step-hcg-urine-pregnancy-test-