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Practical write-ups on Stripe Connect, marketplace fraud and payouts, AI sales agents, Next.js SaaS, and shipping production software — from real client builds.
How to Hire a Stripe Connect Developer
Evaluate Stripe Connect developers with fund-flow questions, webhook failure cases, ownership checks and a concrete paid discovery milestone.
Read post →- · 5 min read
How to Test AI Agents in Production: Tool Calls, Evals, Failure Injection & MCP Security
Test the actions behind an AI agent’s answers with controlled fixtures, failure injection, state assertions and production monitoring.
Read post → - · 5 min read
MCP Security in Production: Authentication, Tool Permissions & Data Leakage
Audit an MCP integration before connecting real data: authentication, tool permissions, input validation, prompt injection and evidence of safe execution.
Read post → SaaS MVP Development Cost: Scope a Production Launch
Plan a SaaS MVP budget around scope, delivery milestones, running costs and production risks. Compare proposals without relying on invented market averages.
Read post →Stripe Connect Marketplace Cost: A Buyer’s Scope Guide
Budget marketplace payments by onboarding, fund flows, refunds, reconciliation and operations. Separate engineering scope from Stripe processing fees.
Read post →Supabase vs Firebase for SaaS: A Founder’s Decision Guide
Choose a SaaS backend by data relationships, authorization, team experience and migration cost. A practical Supabase and Firebase evaluation worksheet.
Read post →When to Move Off Lovable or an AI-Generated MVP
Decide whether to keep, repair or migrate an AI-built MVP. Evaluate ownership, authorization, maintainability and release reliability before rewriting.
Read post →- · 10 min read
Stripe Connect Marketplace Fraud & Risk: Card Testing, Seller Verification and Safe Payouts
How Stripe Connect platforms stop card testing, verify sellers beyond KYC, and delay payouts so marketplace fraud doesn't land on you.
Read post → - · 8 min read
Stripe Connect Express Onboarding and KYC: Status Handling That Doesn't Stall Payouts
Stripe Connect Express onboarding with KYC, identity verification, and account.updated handling so connected accounts don't stall before first payout.
Read post → - · 9 min read
Firestore Pricing at Scale: What 1M Documents Actually Cost
A worked Firestore pricing model for 1M documents, current read/write/storage rates, and the five patterns behind almost every runaway Firebase bill.
Read post → - · 9 min read
Stripe Connect Platform Fees: Destination Charges vs Separate Charges and Transfers
How Stripe Connect platform fees really work — destination charges vs separate charges and transfers, application_fee_amount, and who pays for chargebacks.
Read post → - · 7 min read
Custom CRM vs HubSpot or Salesforce: When Building Your Own Actually Makes Sense
Custom CRM vs HubSpot and Salesforce, decided on your data model rather than seat count — plus the hybrid option and honest three-year costs.
Read post → - · 7 min read
How to Build an AI Sales Agent for Appointment-Based Businesses
A practical breakdown of how an AI sales agent qualifies leads and books appointments 24/7 across web, SMS, and email — what it does, how it's architected, and where it actually moves revenue.
Read post → - · 8 min read
Stripe Subscriptions in the Next.js App Router: A Production Checklist
The parts of Stripe subscription billing that tutorials skip — webhooks as the source of truth, idempotency, the customer portal, and the failure modes that bite you in production.
Read post → - · 6 min read
Venue Lead Follow-Up Automation: A Practical Guide
Most venue bookings are lost in the follow-up, not the first reply. Here's how to automate lead follow-up for a wedding or event venue without sounding like a robot.
Read post → - · 9 min read
Stripe Webhooks in Next.js: The Failure Modes Nobody Warns You About
Signature verification, idempotency, retries, out-of-order delivery, and the reconciliation bugs that only show up in production. A practical Stripe webhooks guide for Next.js.
Read post → - · 8 min read
How to Choose a Developer to Build an AI Sales Agent (2026)
Hire an AI agent developer using production proof, permission boundaries, evaluation cases, integration ownership and a scoped discovery milestone.
Read post →