Commerce System and Method of Controlling the Commerce System Using Budgets for Personalized Shopping Lists

A method of controlling a commerce system, comprising:

• providing product information corresponding to a plurality of products;
• providing a shopping list including a set of the products;
• determining a difference between a budget and a price of the shopping list;
• providing an interface to alter the shopping list or price of the shopping list based on the difference between the budget and the price of the shopping list;
• and
• displaying the budget and price with the shopping list to influence purchasing decisions.

A method of controlling a commerce system, comprising:

• determining a difference between a budget and a price of a shopping list;
• providing an interface to alter the shopping list or price of the shopping list based on the difference between the budget and the price of the shopping list;
• and
• displaying the budget and price with the shopping list.

A computer program product usable with a programmable computer processor having a computer readable program code embodied in a non-transitory computer usable medium for controlling a commerce system, comprising:

• determining a difference between a budget and a price of a shopping list;
• providing an interface to alter the shopping list or price of the shopping list based on the difference between the budget and the price of the shopping list;
• and
• displaying the budget and price with the shopping list.