Day 21 - Profitable MVP in 30 Days - Early Adopter Experiment
Day 21 of the profitable MVP challenge, explaining the early adopter concept and sharing how to experiment with this model for the ReadingPointer app. The post describes creating a premium version introduction page with special benefits for early users, implementing a 'Go Pro' button on the homepage and app to test users' willingness to pay.

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Profitable MVP in 30 Days - Final Summary
Final summary of the 30-day profitable MVP challenge, evaluating the entire development process of three different apps: SoundBar, ReadingPointer, and Focusify. Detailed analysis of revenue, costs, actual profit achieved, along with valuable lessons about choosing business models, focusing on one product instead of spreading resources thin, and future plans for the developed products.

Day 28-29-30 - Profitable MVP in 30 Days - All According to Plan
Days 28-29-30 of the profitable MVP challenge where I look back at the original plan and assess progress. Sharing how I plan to hit the $1000 profit goal by buying my own app, and announcing the new app Focusify.app instead of letmethink. Also preparing landing page, promo video, and images for launch day.

Day 27 - Profitable MVP in 30 Days - Trying a Silly App
Day 27 of the profitable MVP challenge where I decide to abandon the Group Opener idea and pivot to building a 'silly app' - a simple, easy-to-build app that still has profit potential. Explaining what silly apps are: simple features that seem unremarkable but can achieve massive downloads, like fart sound apps with 50 million downloads or beer drinking simulators with 90 million downloads.

Day 25 - Profitable MVP in 30 Days - Never Give Up
Day 25 of the profitable MVP challenge where I admit ReadingPointer's failure - user retention is extremely low and no one cares about the paid features. Sharing lessons learned including targeting users with higher willingness to pay, challenges of building cross-browser extensions, and difficulties turning scientific methods like speed reading into products.

Transitioning from Quality Control to Business Analyst with Hoang Phan
An interview sharing the experience of transitioning from Quality Control (QC) to Business Analyst (BA) with Hoang Phan. Content includes essential BA skills, differences between the two positions, how QC skills support BA work, and career development roadmap. The article provides a realistic perspective on career transitions in the IT industry.

Books That Can Change You
Introducing four books that positively influenced the author, including the Inside Reading series for improving English reading skills, Brian Tracy's Eat That Frog on time management, Goals also by Brian Tracy on setting life goals, and Soft Skills for software developers.