Social media attracts targeted traffic, so, you need to take care of them. If you´re working for spanish audience you should have a spanish speaker social media manager. For 5$/day I will make the following tasks
Interact with your fan base
Post /share interesting content related to your niche ( 5 times a day)
Post your blog content
Retweet and follow
You can buy 1 single gig to test or create custom orders as well.