In 2026, with 35% of enterprises reporting they have already replaced at least one SaaS tool with a custom-built solution. This article breaks down the psychology behind the “we can build that” mindset, exposes the hidden costs of ownership, maintenance, and delayed revenue, and equips CROs with the questions their teams need to guide smarter build vs buy decisions. It also challenges revenue leaders to ask a harder question: are your salespeople prepared to handle this conversation in every deal?