This is the section most self-service statistics leave out, and it is the one that should shape what a manufacturer builds.
43% of buyers who complete a digital self-service purchase report high purchase regret. The figure is a chart in the Gartner B2B Buying Report, measured in a 2022 Gartner survey of 441 buyers who completed a purchase Gartner B2B Buying Report, 2022. An earlier Gartner release adds that purchase regret runs 23% higher for buyers who preferred no rep contact at all Gartner, May 2021. A regretted order on a custom product is not a return. It is a build that is already cut.
Buyers are 1.8 times more likely to complete a high quality deal when they use supplier digital tools together with a rep rather than independently. Gartner, March 2026 Gartner, March 2026. This is the number that decides the shape of a manufacturer's configurator. The goal is not to remove the seller. It is to put the same tool in the seller's hands and the buyer's.
74% of B2B buying teams show unhealthy conflict during the decision process. Gartner published this in May 2025 Gartner, May 2025. Custom products make this worse, because the buying team is arguing about a specification that does not exist yet. A shared, visual, priced configuration is the artifact that ends the argument.