FAQ

How Much Cheaper Is Shared Infrastructure vs. Separate Builds for Each Product?

Multi-Vertical Scaling

Key Takeaways
  • Every standalone product build begins with the same infrastructure work: selecting a framework, setting up the development environment, building authentication, designing the database schema, creating admin interfaces, configuring API routing, and establishing a deployment pipeline.
  • With a shared scaffold, new products skip the entire infrastructure layer.

Shared infrastructure saves 68% at 10 products compared to building each product from scratch. In Stealth Labz's documented portfolio, 10 products built on a shared scaffold cost approximately $26,000 in total external support. The same 10 products built independently -- each paying the full cold-start tax for frameworks, authentication, databases, admin tools, and deployment -- would have cost approximately $80,000. The savings grow with every additional product.

Why separate builds are so expensive

Every standalone product build begins with the same infrastructure work: selecting a framework, setting up the development environment, building authentication, designing the database schema, creating admin interfaces, configuring API routing, and establishing a deployment pipeline. According to a 2023 GoodFirms survey on web development costs, this foundational layer accounts for 30% to 50% of a typical project's total development budget.

That means nearly half the money spent on building a new product goes to infrastructure that is functionally identical to what was built for the last product. For a business entering multiple verticals or geographies, this repetition compounds into a significant drag on capital.

The cold-start tax per product, based on Stealth Labz's build data and industry benchmarks:

  • Framework selection: 2-3 days
  • Environment setup: 2-3 days
  • Authentication build: 5-7 days
  • Database design: 3-5 days
  • Admin interface: 7-10 days
  • API architecture: 3-5 days
  • Deployment pipeline: 2-3 days
  • Total before any product logic: 24-36 days and $5,000-$15,000

How shared infrastructure changes the math

With a shared scaffold, new products skip the entire infrastructure layer. Development begins at the business logic layer on day one. The scaffold deploys in hours. Vertical-specific configuration takes 1-2 days. Product-specific logic takes 3-7 days. Total: 4-9 days.

Here is the cumulative cost comparison from Stealth Labz's portfolio:

Products Built Separate Builds (est.) Shared Scaffold (actual) Savings
1 ~$8,000 ~$8,000 0% (building the scaffold)
3 ~$24,000 ~$16,000 33%
5 ~$40,000 ~$20,000 50%
10 ~$80,000 ~$26,000 68%

The first product carries the full investment. By the third product, you have already recouped a third of the scaffold cost. By the tenth, you are paying 32 cents on the dollar compared to building independently.

Beyond cost: the speed advantage

Cost savings are only half the picture. Build times compressed in parallel with costs:

  • Early projects: 23-43 active development days
  • Mid-stage projects: 11-28 days
  • Late-stage projects: 4-9 days

The fastest scaffold deployment in the portfolio was 5 days for a reporting platform. The cheapest was $0 in external support costs. Both happened because the scaffold had been proven and deepened across prior deployments -- carrying battle-tested patterns with a 3.7% defect rate in the best-performing cluster.


Related: What percentage of software infrastructure transfers when you launch a new product vertical?

References

  1. GoodFirms (2023). "How Much Does Web Development Cost?" Survey data on foundational infrastructure as a percentage of total project budget.
  2. Keating, M.G. (2026). "Case Study: The Scaffold." Stealth Labz. Read case study
  3. Keating, M.G. (2026). "The Compounding Execution Method: Complete Technical Documentation." Stealth Labz. Browse papers