Need tons of GOOGLE ADWORDS Vouchers..

Hello, I am looking for some adwords vouchers code providers. Here are my rules: - All coupon codes must be valid. - Must guarantee to replace non-working codes. - Expiration date should be at least in 1 month. - Amount should be equal or more than $75. - Codes can be increase of $75 and payment will be doubled. (for $75 code, $4 payment - for $150 code, $8 payment for eg.) - No payment more than $4 per coupon/code. - Will buy 10 first and then in increment of 50. We are willing to work long-time and need millions of codes yearly.. If you have better deals, we are ALWAYS open... PLEASE READ CAREFULLY AND THEN BID! Thank you for your time.