the robot you bought might be already obsolete, then you need to reprogram it....or buy another one?
That's not exactly true, My one robot has been working well since 2008 but you may have to trade with a broker outside the US. The US government has ruined trading for US citizens at home. Even going off shore has become a pain for US traders but if you want to find gold you have to dig where the gold is and that means outside the US.
Trading is hard enough but trading in a manipulated market is financial suicide. The problem is that in the US, all markets are manipulated. I won't even buy stock in a company in the US. Once burnt, twice wary.
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