Blog

There is no single SaaS framework - learn the stack (Next.js, Express/Nest, Prisma/Postgres, Redis) and why a boilerplate is the fastest way to build.

How to measure SaaS churn (customer and revenue), the difference between voluntary and involuntary churn, and practical ways to reduce it - including fixing failed payments.

The SaaS business model explained - recurring subscriptions, why the model compounds, the core economics (CAC, LTV, churn, payback), and common monetization approaches.

The SaaS billing process step by step - customer, checkout, payment, verified webhook, provisioning, renewals, dunning, and cancellation - and why every step must be idempotent.

A practical SaaS authentication checklist - password hashing, session and refresh-token rotation, 2FA, RBAC, rate-limiting and audit logging - with how FastStaq implements each.

Resend vs SendGrid for developers - DX, React Email templating, deliverability, and scale - with a decision table and a clear verdict on which to choose.

Redis vs Memcached compared - data structures, persistence, and threading - with a clear verdict on when to choose each for caching and queues.

Railway vs Render for a real SaaS - pricing model, managed Postgres/Redis, background workers, and DX - with a clear verdict on which PaaS to choose.

What product-led growth is, how it differs from sales-led, free trial vs freemium, and the activation focus that makes PLG work - for SaaS founders.

A practical Prisma tutorial - define a model, migrate, generate the typed client, and run CRUD queries - with production migration notes and common gotchas.

Manage database migrations with Prisma - edit the schema, run migrate dev locally, commit the SQL, and migrate deploy in production - with a full command reference.

PostgreSQL vs MySQL for a SaaS - data types, JSON, concurrency, and extensions - with a decision table and a clear default recommendation (and when MySQL wins).