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Someone should please help or put me through on how to make residual income on this platform.


Look also at youtube, there are many videos about it
I do not use much poloniex, I use only for exchangeHere is a small guide : https://poloniex.com/support/aboutMarginTrading/

Why is the STEEM wallet on Poloniex consistently down for maintenance? Is this a Poloniex or STEEM issue?


Poloniex has continually STEEM under maintenance.
if you have steam on poloniex account ,Exchanges it with to another CryptoCurrency And transfer them to other wallet safe.I have no idea but if you are going to buy or sell steem use https://blocktrades.us/.