The benefits of guest posting are you're able to raise awareness of your product or service to a new audience, attract a new community of followers, build relationships with fellow business owners and be seen to be adding value and growing your influence in your niche.
Linking your blog to anothers also creates great search engine ranking juice which can raise the status of your own site. Conversely, you can invite guest posts to your own site again also creating valuable SEO links.
What's not to like about guest posting?
# 54 Try guest posting as a way to reach new audiences