The Solo Founder Sales & Marketing Atlas: How 1–5 Person Teams Sell Like 100-Person Companies28 February 2026·21 minsAI Insights Founders AI Founders Sales Marketing SoloFounder PLG GrowthStrategy MicroSaaSTally.so: 5 people, $3M ARR. No sales team. Pieter Levels: 0 employees, $3.2M ARR. No marketing budget. This is the playbook they didn’t publish.