First of all its a client BIASED platform so even if you file any dispute or client decide to initiate a refund even after months of work complete, you will get a refund confirm without notifying you and all they will say is ontact client.
Never work on Hourly contracts.
They charge there comission in advacne and they give a $#! T what they pay you or even not pay you after they change there access and stop responding to your messages.
Go for any other site but not freelancer.com Never ever