You can get 12 Oral-B Toothbrushes Just 64¢ each! on LivingSocial.
Look under SHOP to find the 12 pack of Oral-B Tootbrushes.
They are marked at $9 but use CODE: GRADS15OFF to take 15% off!
You will pay $2.99 for shipping! Still a great deal and cheaper than doing sales.