In-House Tools Beat Legacy SaaS
thedealdirector · x · 2026-07-12
The quote mentioned that after Replit's internal apps were entirely built on Replit, they outperformed a decade-old SaaS in almost every aspect, ultimately causing the niche SaaS to lose customers.
The poster used this to highlight a common trend: many seemingly stable vertical SaaS products are being replaced by custom-built tools that better fit internal processes and offer lower marginal costs. It also pointed out the key economic advantage: "the marginal cost of adding a new seat is 0."
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