A method of offering a user a plurality of scenarios under which to conduct at least one primary transaction involving at least one specific item, the specific item being one of goods and services, with each one of these scenarios entailing a corresponding cost to the user. The method can include at least the following. Communication is established via a communications device between the user and a system to facilitate the primary transaction. Primary transaction data is obtained relating to the primary transaction, with the primary transaction data including data representing an identity of the user and representing the at least one specific item. The user is offered a choice between at least two scenarios under which to conduct the primary transaction, determining costs of the transaction based on allowance of receiving offers of upsell transactions.