Approach A
Manage catalogs yourself
Building punchout integrations in-house or through system integrators typically costs $30K–$100K per supplier, with ongoing maintenance of $5K–$15K per supplier per year.
For 50 tail suppliers, the initial investment alone can exceed $1.5M–$5M — before counting IT team overhead, change management, and the 6–18 month timelines per integration.
Economically viable only for a handful of your largest suppliers — not for tail spend at scale.