If you're already creating content for your own business, why would you want to seek out guest posting opportunities for other sites? Well, because guest posting is a creative and important strategy for growing your own blog readership and community.
Guest posting builds relationships, it's great for search engines, it introduces you to a whole new audience, it associates you with other influencers, it helps build email lists, and the backlinks...oh, the backlinks you'll get that will make Google so very happy. But you can't just go into it willy nilly. It takes some research and time to create the perfect pitch that will have influencers interested and anxious to post your content to their sites.
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The Agents of Change Digital Marketing Podcast