How I Made $65K in 3 Days

Deven

• Background and origin story
  • Indie hacker from India who experienced multiple startup failures
  • After last product shutdown, sought validated markets instead of creating a new category
  • Noted LinkedIn tools were successful but lacked strong content creation features
  • Leveraged GPT‑3 launch to build an MVP that converted raw thoughts into LinkedIn‑worthy posts
  • This MVP became the foundation of Supergrow
• Pivotal moments and turning points
  • Co‑founder of Rocket Up (Charlie) discovered his journey on LinkedIn and offered to launch Supergrow on their platform
  • Launched a lifetime deal (LTD) on Rocket Up, generating $65,000 in three days
  • Used LTD cash to fund early operations and gain validation
  • Transitioned from LTD focus to a subscription business after the initial launch
  • Launched on Product Hunt, became product of the week, and acquired ~50 additional customers
  • Turned satisfied LTD customers into brand ambassadors who promoted Supergrow on LinkedIn, Twitter, and WhatsApp groups
• Business growth, current status, or exit details
  • Supergrow helps professionals build their personal brand on LinkedIn
  • Currently generates more than $19,000 per month (~$230,000 per year)
  • Has over 800 recurring customers
  • Receives more than 15,000 monthly visits to its landing page
  • Maintains a profit margin of 60‑70% after expenses

Products and Offerings

• Core product
  • Supergrow: a SaaS that enables professionals to create LinkedIn content and grow their personal brand
  • Converts users’ raw thoughts into LinkedIn‑worthy posts
• Supporting tools or experiments mentioned
  • Uses internal tools such as Clarity and Mixpanel to analyze feature usage
  • Relies on Intercom for live chat and customer support
  • Employs Stripe for payment processing

Metrics and Financials

• Lifetime deal performance
  • Generated $65,000 in three days via Rocket Up
  • Rocket Up took a 40% cut, leaving Din’s team with approximately $40,000
• Current financials
  • Monthly recurring revenue exceeds $19,000
  • Annual revenue surpasses $230,000
  • Over 800 paying recurring customers
  • Over 15,000 monthly landing‑page visits
  • Profit margin ranges from 60% to 70%
• Expense breakdown
  • Marketing and affiliate spend: ~$3,000 per month
  • Freelancer costs for design and product work: >$1,000 per month
  • Remaining expenses contribute to the 60‑70% margin

Strategy and Growth

• Overall vision and positioning
  • Aim to build a better version of existing products in validated markets rather than inventing entirely new categories
  • Focus on solving a proven problem (LinkedIn content creation) with incremental improvements
• Primary growth engine or method
  • Used a time‑boxed lifetime deal on Rocket Up to obtain cash, validation, early feedback, and brand ambassadors
  • Leveraged LTD feedback to rapidly improve the product and transition to a subscription model
• Key tactics, channels, or strategic steps
  • Conducted deep competitor analysis (studied Tableau, Content, Authored Up) to identify gaps in content creation
  • Built a minimal viable product over a weekend after validating the market need
  • Relied on Rocket Up for full‑scale marketing (email blasts, Facebook/Instagram ads, creative assets)
  • Limited the LTD to three days and a capped number of users to avoid overselling and protect long‑term growth
  • Engaged LTD customers daily via Intercom, turning their feedback into product features
  • Added analytics tools (Mixpanel, Clarity) to understand usage patterns and prioritize development
  • Launched on Product Hunt after refining the product, gaining additional customers and visibility
  • Upsold satisfied LTD customers to the subscription plan to build recurring revenue

Tech Stack and Infrastructure

• Application stack
  • Backend: Ruby on Rails
  • Frontend: React with Tailwind CSS
  • Database: PostgreSQL
  • Storage/asset handling: Supabase
  • Hosting: Railway
  • Landing page: Framer
  • LinkedIn content creation aid: Superguri
  • Live chat and support: Intercom
  • Product analytics: Mixpanel
  • Session recordings: Microsoft Clarity
  • Payments: Stripe

Lessons and Advice

• Direct advice to other founders
  • Do not work in unvalidated markets; instead, enter markets that are already generating revenue
  • It is acceptable—and often smarter—to build a better version of an existing product rather than pursuing a completely unique idea
  • Avoid the temptation to educate users on a new problem; focus on improving solutions for known demands
• Hard‑won insights and key takeaways
  • Lifetime deals provide rapid cash infusion, product validation, and early paying‑customer feedback
  • The main downsides of LTDs are high platform cuts (e.g., 40% taken by Rocket Up), increased support burden from angry or feature‑request‑heavy customers, and the risk of attracting low‑value purchasers that may cheapen brand perception
  • Limiting the LTD duration and user count (e.g., three days and a capped user base) helps prevent long‑term growth harm while still capturing benefits
  • Paying customers give far more reliable and actionable feedback than free users, who tend to ghost when issues arise
  • Cheap annual plans lack the urgency and FOMO that drive LTD conversions and rarely match the revenue potential of a well‑priced LTD
  • LTD customers can become powerful advocates and even help secure placements like Product Hunt “product of the week”
  • After an LTD, actively upsell those customers to a subscription model to build sustainable recurring revenue