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Yeah.. I have been concerned about that but so far so good. Not risking more than $30 bucks... So it is really just a play thing. Is there somethings better for the price?

A faucet:
https://steemit.com/bitcoin/@profitgenerator/creating-bitcoin-faucets-passive-money-maker

With 30-50$ investment, it could generate 50$/month if done correctly.