Building out an email list is the single most important thing you can do as a creator. According to Dean, Backlinko’s email list was the main reason SEMrush paid 7-figures for the business. The most important thing to remember when it comes to email subscribers is quality always trumps quantity. Audit Your Mailing List Every Few Months, Remove Any & All Dead Weight Have a specific cold email list sequence in place to sort out any and all uninterested subscribers. This is why auditing your email list at least once a quarter is essential.