Discussion Of Everything Legal Is Good
Try Jarvee - it has 5 days trial, and you can use most of the big social media platforms. And for more tutorials check out: MPSocial.com
Please note: I'm not affiliated with any of the websites, I'm using the software and like it.
Edit: if your going to give it a try, and want to scale, I suggest you look into some VPS provider. And 'host' Jarvee there.
You'll need proxy providers and account providers too - but only if you're looking to go big with this.
spend the time working on your seo way more productive