Alexander Estner, a Munich-based SaaS growth expert, aids founders in reaching their first €1 million ARR. He discusses prevalent GTM myths like the belief that a great product sells itself, the misconception of having no competition, and the dangers of assuming a free trial will solve everything. Estner emphasizes the importance of recognizing customer pain points, prioritizing retention over mere acquisition, and the critical role founders play in shaping their go-to-market strategies.