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Building Best Buy's third-party marketplace from the ground up

Best Buy's product assortment needed to grow to better serve our customers. The strategy to address that need was to create a third-party (3P) marketplace. My team was tasked with creating a buying experience for 3P that maintained the experience customers expect from Best Buy.

Overview of my direction to the team

  1. Initiate research to understand the business needs and customer expectations
  2. Quickly explore options that may address the need
  3. Evaluate and iterate on the chosen option

Initiating research

Best Buy is lucky enough to have dedicated researchers within Experience Design. While that's awesome and I love that team, it means we have to be a little more thoughtful about giving our research partners time, clear briefs, and context.

In this case, it meant coming up with the right type of study and questions to understand customer sentiment around making a purchase of a 3P product. Additionally, we needed to plan to evaluate whether the solutions we came up with helped the customer feel confident that Best Buy guarantees a positive purchase experience.

Some leadership decisions I made during this phase:

A generated illustration of a DScout video interview session
Caption: A generated illustration of a DScout video interview session. We used moderated (like this example) and un-moderated studies to collect feedback.

Phase outcome

A study was run with dozens of participants. We got great insights on the types of concerns customers had as they got closer to making their purchase decision.

Exploring options

At the time of this case, I had a lead designer who taught me so much about exploring multiple options. I used this case as an opportunity to coach him on how to coach others to work in the way he did.

I had the lead work with his teammates and show them how to frame solution exploration through the customer and business needs. We worked on chunking out the different points in the journey where we needed to explain something or instill confidence.

I facilitated sessions where the team generated dozens of different ways to solve the problem. We visualized the different solutions in Figma and shared why certain designs worked better than others. I encouraged the lead to take charge of delivering feedback to help him develop this critical skill.

Some leadership decisions I made during this phase:

Phase outcome

The lead did a great job giving feedback and I was able to give him some ideas on how to deliver the feedback differently next time. The solutions that the team came up with got the internal partners excited.

Evaluate and iterate

I shared the design concepts with our product, engineering, and business partners. We iterated on the designs based on feasibility and business viability risks. I made sure the team understood the underlying opportunities that were behind feedback from partners. The design got to a spot where internal partners were excited about the designs and ready to build.

While engineering started on some elements of the experience that we believed were lower usability risk, we tested the design with customers.

The customer feedback did indicate some usability issues with how we were communicating whether or not a 3P item was eligible for member benefits. We adjusted based on the insights. We then created the design that launched to customers.

Some leadership decisions I made during this phase:

Screenshot of Best Buy cart showing a third-party marketplace item

Phase outcome

Every round of testing showed improvement. We knew that customers felt more confident in 3P purchases and understood key details like return policies and pricing differences.

Project outcome

The work was praised across internal teams and recognized by leadership. We know the design contributed to customer confidence in their 3P purchase due to a conversion rate that matches first-party items and return rates that are lower than first-party.

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