I built and launched a digital product in 48 hours for $4. Here's how I did it.

Source: Dev.to

Overview

I built a passive‑income digital product on a strict $150/month budget. The first product launched after just 48 hours of work.

Product Details

50 ChatGPT Prompts for Business Growth – $17 USD

🔗 Get it here

• Low barrier to entry (no coding, no design skills)
• Proven demand (ChatGPT has 200 M users)
• 100 % passive (create once, sell forever)
• Zero inventory or shipping

Process

Research (≈2 h)

• Studied top‑selling prompt packs on Gumroad
• Identified gaps: most packs are generic; mine focus on business

Creation (≈3 h)

• Developed 50 prompts covering marketing, sales, content, and product development
• Added 10 bonus templates
• Organized prompts into 7 categories

Packaging (≈1 h)

• Designed a 47‑page PDF in Canva (free plan) – 683 KB
• Professional yet simple layout
• Cost: $0

Gumroad Setup (≈30 min)

• Created account, uploaded product, optimized listing
• Product went live in 10 minutes

Domain (≈15 min)

• Registered assoflow.cloud (free for 1 year)
• Redirected to Gumroad; DNS configuration took 5 minutes

Distribution (≈90 min)

• Created 10 social media accounts
• Automated email verification via Gmail OAuth
• Prepared launch posts
• Total cost for distribution: $4

Tools used: ChatGPT (prompt testing), Canva (PDF design), Gumroad (sales platform), Gmail (email automation)

Total investment: $4 + 8 hours of work

Key Takeaways

• Start with what you know – I use ChatGPT daily.
• Ship before you’re ready – “Done > perfect.”
• Free tools are enough – paid tools can be added later.
• Document the journey – people are interested in the process.

Step‑by‑Step Guide

1. Pick a niche you understand.
2. Create value by solving a real problem.
3. Package it (PDF, Notion page, spreadsheet, etc.).
4. List on Gumroad – the setup takes about 10 minutes.
5. Launch everywhere – focus on organic promotion first.

Link

https://assoflow.gumroad.com/l/uhejcg

Building in public – Day 6 of 365.