Business system

1. A method for guaranteeing a consumer a best price on an item purchased from a vendor in a consummated final first transaction at a first price, the method comprising

recording the first price and information identifying the consumer;

monitoring the sales price of the item for a predetermined time period after purchase of the item by the consumer in the consummated final first transaction;

noting any price lower than the first price for the item during the predetermined time period following the purchase of the item;

calculating a money-value difference between the first price and said any price lower than the first price;

refunding to the consumer an amount equal to the money-value difference;

wherein the item is purchased via a host system and the host system records the first price and information identifying the customer; the host system conducts the monitoring, noting, and calculating steps; and the host system provides the refund to the consumer;

wherein the host system provides the refund by crediting an account of the consumer; and

wherein only prices for the item to be sold by the vendor involved in the first transaction are taken into account in the noting step.

2. The method of claim 1 wherein the item is purchased by the consumer at a location of the vendor.

3. The method of claim 1 wherein the item is purchased by the consumer on-line via a network system.

4. The method of claim 1 wherein the account is an account of the consumer with the host system.

5. The method of claim 1 wherein a refund is made for each subsequent sales price lower than the first price.

6. The method of claim 1 further comprising

monitoring sales of the item during the predetermined time period for any incentive provided to consumers purchasing the item following the consummated final first transaction; and

providing the consumer involved in the consummated final first transaction with a refund based on a money value of said incentive.

7. The method of claim 1 further comprising

monitoring sales of the item during the predetermined time period for any incentive provided to consumers purchasing the item following the consummated final first transaction; and

providing the consumer involved in the consummated final first transaction with a refund based on a money value of said incentive.

8. A business system for guaranteeing a consumer a best price on an item purchased from a vendor in a consummated final first transaction at a first price, the system comprising

means for recording the first price and information identifying the consumer;

means for monitoring the sales price of the item for a predetermined time period after purchase of the item by the consumer in the consummated final first transaction;

means for noting any price lower than the first price for the item during the predetermined time period following the purchase of the item;

means for calculating a money-value difference between the first price and said any price lower than the first price;

means for refunding to an account of the consumer an amount equal to the money-value difference; and

means for duplicating for the consumer any incentive accompanying sales of the item after the consummated final first transaction during the predetermined time period.

9. The business system of claim 8 further comprising

a host system that includes the means for recording, means for monitoring, means for noting, and means for calculating.

10. The business system of claim 9 further comprising

the host system also including the means for refunding.

11. The business system of claim 8 wherein the consumer conducts the consummated final first transaction with the vendor via the host system.

12. The business system of claim 8 further comprising

means for determining a pertinent geographic area for the consummated final first transaction and for limiting the monitoring step to sales prices available within the pertinent geographic area.

13. The business system of claim 8 further comprising

means for providing a warranty to the consumer.

14. In a business system with a magnetic strip card with consumer identifying information encoded thereon said information identifying a consumer desiring to conduct a transaction with a vendor, a host system that maintains information about discounts from said vendor, an apparatus for reading information on the magnetic strip card, said apparatus interconnected with and in communication with the host system, and means for applying any applicable discount related to said transaction for the benefit of said consumer, the improvement comprising

means for guaranteeing a consumer a best price on an item purchased from the vendor in a consummated final first transaction at a first price; said means further comprising

means for recording the first price and information identifying the consumer;

means for monitoring the sales price of the item for a predetermined time period after the purchase of the item by the consumer in the consummated final first transaction;

means for noting any price lower than the first price for the item during the predetermined time period, wherein only prices for the item to be sold by the vendor involved in the first transaction are taken into account;

means for calculating a money-value difference between the first price and said any price lower than the first price; and

means for refunding to an account of the consumer an amount equal to the money-value difference.