Jim Edwards (https://www.thejimedwardsmethod.com) and Stew Smith discuss the difference between building a list that you pepper with emails (that often get deleted) or you build a tribe that would pay for your newsletters and emails because you add so much value to them.
Also check out the Jim Edwards Premium - Access to Wizards, Scripts, and other tools / training for better sales copy and content marketing for your business at https://www.thejimedwardsmethod. Don't forget the Facebook Group Sales Copy Writing and Content Marketing Hacks with Jim Edwards for a community of over 20,000 like-minded business owners https://www.facebook.com/groups/copywritingandcontenthacks
Sales Copywriting and Content Marketing Hacks Podcast with Jim Edwards