You can grow your email list quickly by offering a strong incentive. You should create something valuable like an eBook or a free course. You can promote your offer on social media platforms. You should use pop-ups on your website to capture attention. You can also run targeted ads to attract more people. You should make the sign-up process simple and fast. You can offer a limited-time discount to create urgency. You should ask your existing subscribers to refer others. You can engage with your audience by sharing valuable content. Quick growth comes from offering value and driving targeted traffic.