I'd probably say Marketing

For us, it´s tech skills, not because it is more important, but because it is more necessary

I'd say marketing. Tech skills are important, but we are building a soccer team management app, and two of its main features are about connecting people and building a community (networking and acquiring sponsorships for teams). Won't really work without bringing users there 🤷‍♂️ By the way, we are launching soon 👇 https://www.producthunt.com/prod...

I would say a growth mindset because it gives you the ability to learn anything.