yeah, that kinda sucks if you have people who went into the local BB store, grabbed a coupon at the store, and then were surfing online and then logged onto your page and grabbed that coupon to enter. 0 for you... argh...
This is because People abused it. They just posted 1 Month Trial Coupon on their LP, while using the $9.99 offer. So they had the higher payout, and the higher conversions because of the 1 Month Free. No wonder they put their foot down on it ...