DC has made them available to be sold at midnight with the following conditions:
FP #5 and JL #1 are the only two titles that can be sold at midnight.
DC Comics is offering a free overship of Flashpoint #5. Retailers who order 125% of their order for Flashpoint #1 will receive a free additional 25% overship, which means retailers can get 150% of their Flashpoint #1 order and only have to pay for 125%.
This promotion is open to all US and Canadian accounts in good standing currently receiving comics on Tuesday for Wednesday on-sale. Retailers need to adhere to the on-sale date and time of Wednesday, August 31, at 12:01 am.
Due to the Monday, August 29 Summer Bank Holiday, the midnight sale option will not be available to UK retailers.