Growing an email list can be challenging, especially when you have a limited budget. Here are some strategies you can use to grow your email list quickly, even on a tight budget:

Leverage Social Media: Utilize social media platforms such as Facebook, Instagram, and Twitter to promote your email sign-up form. You can also run social media contests to encourage people to sign up for your email list.

Offer a lead magnet: Create a valuable lead magnet such as an e-book, cheat sheet, or webinar that you can offer in exchange for an email address.

Optimize your website: Make sure that your website is optimized for lead generation by placing an email sign-up form on multiple pages of your site, and by making it easy for visitors to find and sign up.

Partner with other businesses: Partner with other businesses or influencers in your niche to cross-promote each other's email lists.

Host events: Host events such as webinars, meetups, or workshops and collect email addresses from attendees.

Use referral marketing: Encourage your current email subscribers to refer their friends and family to your email list by offering a referral incentive.

Optimize for SEO: Optimize your website and blog content for search engines to increase visibility and drive more traffic to your site, which can help grow your email list.

Use paid advertising: Use paid advertising platforms such as Google Adwords, Facebook Ads, or Instagram Ads to target potential email subscribers.

It's important to note that growing an email list takes time and effort, and it's important to have a consistent strategy in place. Make sure you have a clear call to action on your website, social media and other platforms, and that you are regularly producing valuable and engaging content for your email subscribers.