Please am a newbie I would like to know the amount altcoin like the Ethereum and Dogecoin I can have before I can join the trading platform.
Many traders will give you difference suggesting amount of capital for trading altcoins, the finall desicion everything depend on your ability to take the amount of capital for trading will being losing. I suggest to you use very a little amount of ethereum start with 0.5 ETH and it is must iddle money, don't use loan money to trading altcoins, make sure you can get constant profit although just a little numbers then you can add more capital for trading altcoins.
for first the minimum purchase / capital for trading on each exchange is different, second are true what you say that you can use the amount of money for use to trade in accordance with your ability and your readiness to face losses. if you have good trading skills you can use a large capital, adjust also with the amount of money you have, because it is also about manage financial