I have over 30 accounts under my control and am willing to boost your service. There is an obviously massive advantage of doing this for your enterprise.
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30 accounts? this is a lot of accounts. You could earn more with signature campaigns that allow you to have multiple accounts or by selling your accounts than by this bumping/promoting service.
I've only served 3 clients with this service as it happens (although one repeat monthly contract customer, which entails X amounts of posts relating to their company per month).
In practice I cannot post with all my accounts that would require similar commitment to a full time job, although a relatively profitable one.