I'm thinking of start selling bitcoins on localbitcoins for paypal and stuff, but I need to know which best way to double bitcoins is it cloud mining? investing or trading?
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thanks
my recommendation is trading, investing. you need to learn in trading before you do trading. its not good to do cloud mining because there is take too much times to get ROI if the sites still online. so better doing trading and if you have a good skills in trading then you can get much of profit so the choice its up to you.