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Build vs Buy Decision Analyzer

Compare TCO of building custom software vs buying SaaS over time. Enter values for instant results with step-by-step formulas.

Worked Examples

Example 1: Internal Tool

Problem:Build: $50k + $10k/yr. Buy: $5k + $15k/yr. 3 Years.

Solution:Build: $80k. Buy: $50k.

Result:Buy Saves $30k

Example 2: Core Product

Problem:Build: $100k + $20k/yr. Buy: $50k + $50k/yr. 5 Years.

Solution:Build: $200k. Buy: $300k.

Result:Build Saves $100k

Frequently Asked Questions

When should I Build?

When the capability is a core competitive advantage (your 'Secret Sauce'), or when no vendor meets your specific regulatory/functional needs.

When should I Buy?

For commodity functions (Email, CRM, HR, Payroll). Why reinvent the wheel when Salesforce or Stripe exists?