1) Other than pre-ordering, no.
2) Disney has a cash-cow, and they won't cut into the profits.
3) Let's face it, when Disney finds a gold mine, they milk, and milk it, and milk it.
. . . BBB
. . . Photopass and Photopass+
. . . CRT
. . . DVC
. . . DDP
Pre-ordering saves you a few bucks over purchasing it at the park. They will accept Disney gift cards for the Photopass, so if you have a Target Red Card you can get 5% off the gift cards and then use them to purchase the Photopass.