Quote from: mikenz on April 03, 2014, 10:06:43 AM

It says

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After registering your rig on the website, you will be asked to add a pool to your miner software, for example:

cgminer --scrypt -o http://eu.betarigs.com:3333 -u -p x -o -u -p ...

That will put the Betarigs "pool" in first priority position, and your usual pool in second position. So:

Your rig is not rented: The Betarigs "pool" is inactive and your miner mine your usual pool.
Your rig is rented: The Betarigs "pool" becomes active and your miner mine it. Behind the scenes, Betarigs will redirect the miner to the pool chosen by the renter.

So I have to set up cgminer on my computer and let my computer run - doesnt that actually mean I am mining myself!?

This is if you want to sell your own mining capacity at betarigs, as a seller.