Amazon has a 25-pack of pregnancy test strips for only $5.38! These are just the strips- they don't have the fancy plastic cover or anything. They work perfectly though and are what I used when trying for my 3 babies! The price works out to be only .22 per test- wow!
There are also ovulation test strips for only .19 each! This is a fantastic price!
You can also get free shipping by creating an Amazon Mom account.