Abstract: A streamlined buyback solution may pre-calculate user data and pre-assess a user inventory, and then may present a buyback offer to a user based on user activity. A user trust assessment may determine the trust score for the user. The buyback assessment may identify items in the user inventory and determine assessed values and opportunity criteria for the items based on data from cost analysis and/or data from user behavior analysis. The opportunity criteria may be based on a model that is trained to analyze user patterns using a learning model. Based on the trust score, assessed values, and opportunity criteria, the user may be presented with a streamlined buyback offer allowing the user to apply the buyback offer value to discount a primary purchase order in a seamless transaction.