私のAIアプリは月商10万ドル（約1,500万円）を稼ぐ
月商 $100,000 · 創業者1人 · 従業員-1人 · Bietigheim-Bissingen
Adrian Berisha（Founder, LeadFlow）· 創業 February 2026 · 記事掲載 April 4th, 2026 · tryleadflow.ai · 元の記事
創業者がコールドメールとLinkedInアウトリーチ（営業活動）を自ら行い、初期顧客を獲得。顧客設定サポートも提供したことで最初の有料顧客を3日で獲得した。広告は使わず、コールドメールとLinkedInに集中した。月商10万ドル（約1,500万円）は2026年4月の記事時点の自己申告
売値の出典: 公式サイトに繋がらず、記事にも値段の記述はなし（確認できず）（2026-10-14 取得）
My name is Adrian Berisha, and I'm a 21-year-old college dropout from Germany. I started LeadFlow (tryleadflow.ai) — an AI-powered cold email automation tool built specifically for people who are non-technical and want results fast. Most cold email tools are bloated, complicated, and take weeks to set up properly. LeadFlow strips all of that away. Our customers — sales teams, solopreneurs, and agency owners — go from zero to booked meetings in hours, not days. Today, LeadFlow brings in around $100K/month in revenue.
The idea came from a personal frustration. I was running cold outreach campaigns for B2B clients as an agency owner — and every tool I tried had the same problems: terrible UX, poor email deliverability, and a setup process that only made sense if you had a technical background. I kept thinking: why is this so hard? That was my "aha" moment. Every other business idea I had before was service-based — trading time for money. There's a ceiling to that. Cold email software is infinitely scalable, and I knew the pain point was real because I lived it every day. To validate the idea, I didn't overthink it. I reached out to people in my marketing network and directly asked them what they thought. I also contacted solopreneurs I was already in touch with and asked one simple question: "Would you pay for a cold email tool that's dead-simple to set up and actually lands in the inbox?" The answer was consistently yes — and that was enough to start building.
Adrian Berisha built LeadFlow by recognizing a pain point in the market for a simple, effective cold email automation tool. He used his personal frustration with existing tools and feedback from his marketing network to validate the idea. Berisha focused on launching quickly, using his own tool to run cold email campaigns, which generated around 60 meetings per month. He learned the importance of shipping before being fully ready and staying lean to understand all aspects of the business. The initial version of LeadFlow was built within months, not years, to quickly meet the demand for a user-friendly cold email automation tool.
We didn't do a big flashy launch — we used LeadFlow itself to launch LeadFlow. I ran cold email campaigns through my own tool, targeting businesses in my network and beyond, and simultaneously used LinkedIn outreach to book meetings. That strategy alone generated around 60 meetings per month. People didn't just like the product — they loved that we also offered a done-with-you service to help them get set up and running. We closed our first paying customers within 3 days of launching the first campaign. That was the proof we needed. The biggest lesson I learned? Don't over-build before you ship. I spent almost a year perfecting the product before launching — and nearly ran out of money because of it. The version I kept polishing was something nobody had even asked for yet. Ship fast, get feedback, iterate. The second lesson: Stay small enough, long enough — and you'll get big enough, soon enough. When revenue started coming in, the temptation was to immediately hire a team and scale. But I held back. I spent the first months doing everything myself, staying lean, keeping costs low. That discipline is what made us profitable — not headcount.
The biggest lesson from growing the business: your best acquisition channel is always the one you know best. We know cold email inside out — so we doubled down on it instead of spreading thin too early. LinkedIn outreach has also been a strong driver of growth from the beginning. SEO and broader social media are channels we're actively building out now as we scale — but we made sure to master the fundamentals first before expanding.
Starting a business at 21 with no investors, no safety net, and no finished degree teaches you things no classroom ever could. Here's what I know now that I wish I knew earlier: Ship before you're ready. I almost killed LeadFlow by trying to perfect it. Nearly a year of building in silence, polishing features nobody had asked for — while burning through savings. The moment I launched and sent the first campaign, we had paying customers within 3 days. Done beats perfect, every single time. Stay lean longer than feels comfortable. When money starts coming in, every instinct tells you to hire, expand, and scale. Resist it. The early months where I did everything myself — sales, support, product, outreach — gave me an unfair understanding of every part of the business. That knowledge compounds forever. Use your own product. LeadFlow grew because we sent cold emails with LeadFlow. If you don't believe in your own tool enough to use it yourself, why would anyone else? Your biggest advantage is speed. Big companies can't move fast. As a solo founder or small team, you can ship, test, and pivot in days. That's your weapon — use it relentlessly. The best time to start was yesterday. The second best time is now. I dropped out of college, went all in, and built something doing $100K/month before most of my peers finished their first internship. The risk of not starting is always higher than the risk of starting.
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