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It would be more technical if you were buying and selling currency for example on a MetaTrader platform. with mining, you have a wallet and you buy a product that mines that particular currency then you just have to connect to a pool. I have placed my order with Bitmain and I should have it delivered by September, then I will let you know all the details if you are interested.
Just reply on a post so I get notified in case if I forget.

That will be great. Would like to join and see how it goes. Dont forget to keep me on the loop

I have tested those L3+ I currently have 2 of them mining away and 2 dash miners already ordered and yes they are profitable.

wow that is a good news, what of the costs?

You can check the costs of the products at https://www.bitmain.com/ they might vary depending on the product and batch of that same product the L3+ I bought was at 1300 USD each but they are more expensive now.