Building an email list from scratch can be challenging but essential. Startups can use several strategies to grow their list: - Content Upgrades: Offer valuable downloadable content like eBooks or whitepapers in exchange for email addresses. - Webinars: Host informative webinars and collect email addresses during registration. - Sign-up Forms: Place sign-up forms on your website and blog for visitors to subscribe easily. - Social Media: Use social media platforms to promote your newsletter and encourage followers to subscribe.