200% it is to pick up a copy of Launch by friend and colleague Jeff Walker; he just released an updated edition in the past year. Or get it from Audible - Jeff himself narrates it. Trust me, it will be the best thing you can do for yourself and your launch.
Amazon link (not an affiliate link): https://smile.amazon.com/Launch-Updated-Expanded-Anything-Business/dp/B098KPT3PG/