I emailed 600+ people I hadn't spoken to in 14 years 5 of them became my first paying customers — within 60 minutes. The product isn't even publicly launched yet. Here's what happened. I spent the last year building a desktop voice AI studio as a solo dev. The interesting technical challenge: running 3 different ML inference engines entirely on-device in the same process. Native Rust backend, no Python, no Docker. The fast engine does 6x real-time on Apple Silicon. The multilingual engine handles 23 languages. Voice cloning from a short audio sample. I'm partially dyslexic — been converting text to audio since high school. That personal workaround eventually became a real product. 3 days ago, I emailed 648 customers from a marketing tool I built back in 2012. Hadn't contacted them in over a decade. Plain text emails, no design, no branding — just personal messages. 10% open rate on a stone-cold list. Some of them actually bought. Revenue before the product even launched publicly. One guy found a PDF from my old product on his hard drive and wrote me a full page about it. 14-year-old business relationships converting into customers today. Tonight it goes live. For anyone here building with AI — has anyone else run ML inference natively on desktop? The symbol collision problem between multiple inference engines was genuinely hard. Curious if others have hit this.

Taking some of the ideas in here allowed me to champion a $5,500 client. My background is 20 years of large corporation pricing and 30 years of web design. AI - maybe 10 years with apps, tools, and oh yeah PYTHON...so... A Saturday morning, 4 hours, and a complete pricing evolution. 🔥 I recently helped a small industrial parts business move from manual Excel models to a fully autonomous agentic workflow. Using ChatGPT alongside n8n and Claude, I built a system that audits invoices, expenses, and competitor data for an automated Van Westendorp price sensitivity analysis. 😱 The user just chats to a chatGPT chatbot to execute. That’s the power of this stack. Time to put spreadsheets to bed! 🏆 Thank you to all the amazing people on here who post GREAT content!