Hi, if i done graphic service to someone and he paid and got graphics that he want . can he after that reverse the money ?! if that can happen . so how can i protect me from the thieves? . may someone got the service and be happy and after that he can reverse the money ! i lost $900 from 7 motheth by that way . but that was in another site not here . so i just want to know if that can happen to me here again ?! and is there easy way to protect me ? Thanks
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