Founder & Growth

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.

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

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.

Understand Next.js caching - the data cache, full route cache, and router cache - how to revalidate or opt out, and when to add Redis for app-level caching.

A practical indie hackers guide to building a SaaS - validate, ship a lean MVP from a boilerplate, launch small, and charge early. Speed and focus over scope.

How to start a SaaS step by step - validate an idea, define the MVP, build fast, launch, win first customers, and iterate - with the mistake to avoid (building before validating).

What customer acquisition cost is, the CAC formula, the LTV:CAC ratio and payback period, and practical ways to lower CAC for your SaaS.

B2B SaaS explained - the definition, how it differs from B2C, real examples, the metrics that matter (MRR, churn, CAC, LTV, NRR), and what a B2B app needs technically.

What a micro SaaS is, real examples, and a lean 4-step path to launch one solo - validate, build the MVP fast, charge from day one, and get your first users.