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Notes from the build

Technical case studies, opinions on the tools we use, and honest advice from shipping real software for real clients.

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Building SignFlow Pro: Replacing 5 Tools With One CRM for Service Businesses

How we built a multi-tenant SaaS that replaced scheduling, invoicing, contracts, CRM, and client portals — and the architectural bets that made it work.

David Perez10 min read
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How We Built DealProp: A Multi-Portal SaaS for Real Estate Investors

The architectural decisions, trade-offs, and lessons from building an AI-powered real estate investment platform with 3 user portals and 8 strategy modules.

David Perez7 min read
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Why We Use Next.js 15 for Every Client Project

The specific Next.js 15 features that convinced us to stop evaluating alternatives for each new client engagement.

David Perez6 min read
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The Real Cost of Custom Software vs Templates

A straight answer to the question every small business asks us: should we pay for custom or just use a template?

David Perez7 min read