A player who has passed may not bid again later.

Random players become available to buy which the player can bid for.

A player cannot bid a high price without having the money first.

Each player, beginning at dealer's left, may either bid or pass.

The premise that the players may bid any number is important to analysis of the game.

Some players bid one diamond and played in that suit.

A player may bid anything from 160 through 304, the maximum points that can be made in a game.

The players may bid anything from three up to the lot (seven tricks).

A player may pass, and hence cannot bid again in that game.

A player that calls for a coke hand cannot bid.