@resteembot is a bot that resteems articles to its followers. When an article is resteemed, it receives attention. If it is a good article, this might result in upvotes and comments.
If the article is bad - it might lead to flags.

@Resteembot simply gives you another chance to appear in people's feeds. That's all.
At the moment of writing, the bot has 2700+ followers.
That is not much by itself, but considering how cheap the price is, it is a simple decision.

Also - the bot will upvote ~10 people per day, at random.
That's not all - the bot will send ~45 tips per day to random people, with the memo "A gift"

So...

How to use it?

1. Follow @resteembot
2. Do not use it in the first 3 hours after following for the first time.
3. Check the price. It is your reputation, devised by 1000
   3.1. (The price for 44 reputation is 0.044 or more)
4. Send a transaction of any currency with your price or more, to @resteembot.
   4.1. - Write the link of the post in the public memo.
   4.2. - The link must lead to any post that is newer than 6 days.
   The author can be anybody.
   The price is decided by your reputation, not the one of the author.

That's it. If you did everything right, your post will be resteemed.

Special Newbie promotion.

If your reputation is bellow 30, resteeming your own post costs only 0.001 Steem or SBD.