AI Articles

Practical AI tutorials, how-tos and troubleshooting guides — hands-on walkthroughs written for developers and system administrators.

7 Consumer App Niches Worth Building in 2026 (From the Founder Who Scaled Cal AI to $30M ARR)

Jake Castillo scaled Cal AI to $30M ARR in 18 months. Here are the 7 consumer app niches he'd build in today, ranked, plus our take on how to actually get started in each.

Himanshu Pal

Jun 26, 2026

How to Make Money with AI in 2026: 12 Realistic Methods That Actually Work

A grounded look at twelve realistic ways to earn money with AI in 2026 — from freelancing and content to building small products — with honest notes on effort and skill required.

Himanshu Pal

Jun 25, 2026