Auth0 Pricing Estimation [BtoC Edition]

Estimating Auth0's Developer plan cost for a BtoC service and thinking through whether the per-user pricing fits.

[AWS EC2] Instance Store - Ephemeral Disk (volatile disk) can be used for free

AWS EC2 instance store (Ephemeral Disk) is free to use, with the caveat that data is wiped on instance stop.

How to Renew and Repurchase AWS EC2 Reserved Instances

Notes on renewing and repurchasing EC2 Reserved Instances after they expire, since they aren't auto-renewed.

[AWS] Moving from Private Subnet to Public Subnet to Reduce NAT Gateway Costs

How I reduced NAT Gateway costs by moving ECS Scheduled Tasks from a private subnet to a public subnet.

Applying Credits to Accounts Under AWS Organizations

AWS Support's answer on when AWS Activate credits do and do not apply to accounts under AWS Organizations.

How Much AWS RI and Savings Plans to Buy — A Strategy That Avoids 100% Commitment

Buying 100% coverage is not the right answer for RI and Savings Plans. Starting from hourly, non-rolling commitments, here is a practical strategy for committing only to your floor, incrementally.

Cost Comparison Between Amazon S3 Standalone and S3 + CloudFront Configuration

Comparing costs and trade-offs between S3 standalone and S3 + CloudFront to decide which fits your workload.

A Design Blueprint for AWS Commitment Discounts in 2026 — Layering Strategy After Database Savings Plans

AWS cost optimization has one cardinal rule: shrink first, then commit. With Database Savings Plans (December 2025) at the center, this post lays out a three-layer stacking design (Compute SP for general compute, Reserved Instances for stable data tiers) through the lens of application order, provisioning math, and multi-account governance. The 2026 question is not how to chase the deepest discount, but how to design financial flexibility that never blocks modernization.

Rough calculation of Cloud DNS pricing

A rough Cloud DNS pricing estimate for a standard website — about $5 per month.

ConoHa VPS is Recommended for Server Cost Discounts Through Shareholder Benefits

How GMO Internet's shareholder benefit knocks 5,000 yen off ConoHa VPS server costs, plus pros and cons.

Cutting CI Costs in AI-Driven Solo Development with gh-signoff — Local CI and the Signoff Model

Hand implementation to a coding agent and your push count explodes, quietly inflating the remote CI bill. gh-signoff offers a blunt but sensible answer: run the tests on your own machine and sign off on them yourself.

Prevent Waste by Specifying timeout-minutes in GitHub Actions

Set timeout-minutes on GitHub Actions jobs and steps to avoid the 6-hour runner cap and wasted quota.

Comparison of GitHub Sponsors and Open Collective

How GitHub Sponsors and Open Collective fees compare for OSS sponsorship, based on their published pricing.

Jenkins operation cost is wasteful, so we should use CI services

Why resource-constrained teams should pay for a managed CI service like CircleCI instead of self-hosting Jenkins.

Mixpanel Pricing Cost Reduction Proposal

Understanding Mixpanel's MTU pricing and simple ways to keep costs down.

On-Premise vs Cloud Decision Criteria

Decision criteria between on-premise and cloud from a cost perspective, with Dropbox's AWS repatriation as a case study.

Project Management Tools with Unlimited Users and Flat Rate Pricing

A pricing comparison of major project management tools that ends on Backlog as the only flat-rate, unlimited-user option.

Tavily Alternatives Compared — Cost-Optimizing Search and Extraction APIs for AI Agents

AI agents now run dozens or hundreds of web lookups per task, and Tavily's credit-based pricing has become a real cost driver. This post compares the major Tavily alternatives (Firecrawl, Brave Search, Exa, Serper, Jina Reader, SearXNG) on price, features, migration effort, and industry shifts, then suggests the best combination per workload.