https://www.gtmaipodcast.comMark Fershteyn calls himself "a dumb sales guy with too many ideas." He ran sales at App Academy, founded Recapped, raised $8M, built a 26-person team, reached seven figures, and eventually shut it down and returned money to investors.Then AI changed the math. For his whole career, building an idea meant raising money and hiring engineers. Now he builds it himself.In this episode, Mark shares his screen and walks through:How to keep up with AI without burning out (filter for step changes)Why he starts almost every session in plan modeThe "one agent per task" rule and his 6-agent content pipelineA skill built from 300 LinkedIn posts that interviews him, drafts, and scores 5 hooksHow he structures folders and a personal wiki so AI can find everythingZealos: 5 calendars, every inbox, every DM, website visitor identification, and sequences in one appThe revenue: a $500K run rate in 6 months, solo, part-timeBuild vs. buy vs. hire, and where the software market goes nextIf you are not technical and you think this stuff is out of reach, watch this one.Chapters00:00 Intro: Mark's second time on the show01:11 From VP of Sales to an $8M-raised founder02:10 Founder tip: don't create a new category02:40 Why AI changed everything for a non-technical builder04:03 How to keep up without drowning05:14 Filter for step changes, then build something05:58 AI as playtime07:00 What you'll learn: skills and a real build08:15 Claude Code in the terminal vs. the app09:24 Use AI to use AI: start in plan mode10:26 One agent per task11:31 The prompt that builds your content agent system12:20 Coach K's rule: four rounds of feedback13:07 Treat your agent like an intern13:30 The 300-post LinkedIn skill14:08 Make every skill improve itself14:49 Building an AI CMO (plus a video editing tool tip)16:00 Folders, GitHub, and the /clients folder17:08 Hierarchy vs. graph: building a personal wiki18:58 Zealos: the super app20:39 From 20 tabs to one view21:58 Identifying website visitors and enrolling them in sequences23:05 From personal tool to product24:20 The revenue impact25:16 4 years and 26 people vs. 6 months solo26:00 UI vs. chat: everyone gets a Jarvis29:20 Build vs. buy vs. hire30:41 SMBs build, enterprises buy, the middle gets squeezed32:00 The build-happy pendulum32:37 Where to find MarkLinksMark on LinkedIn: https://www.linkedin.com/in/markfer/Mark's links: markfersh.comMastering AI: masteringai.ioZealos: zealos.ioPalmier (video editing via Claude Code, mentioned by Coach): palmier.ioRemotion (video editing, mentioned by Mark): remotion.devFree Content Engine skill: https://www.therevenueaireport.com/agent-skills/content-engine-suite