Tickets with removable purchased value parts, chance game parts, and variable advertising within a set of tickets, redeemable toward goods or services offered by multiple merchants

摘要

Ticket sets having a value part with a predetermined value and identification code. The tickets have a chance game part which is played for variable winnings identified by code. The value part is preferably removable to allow non-purchasers to participate in the chance game without cost, to meet gaming laws. The sets have variable frequency advertising messages from plural advertisers to meet varying budgets. A cooperative trading forum, such as a web site, allows purchasers to select from products or services from plural merchants and/or participate in an auction. The ticket values can be banked by registration so that a purchaser can aggregate or select different value entries associated with different tickets. Purchaser registration qualifies a purchaser for added incentives, such as a sweepstakes that is cooperatively funded by participating merchants. A checkout code may be provided that provides potential added discounts at checkout. Related methods are also described.