I mean your very basic investment and was that your extra money or required money?
Thing is - it won't bring you much profit.
More money you can afford for trade the better because basically you will have to trade with more than one altcoin, more money you have more different altcoins you can buy and trade with.
Awesome answer mate, we really don't have that specific amount for our investments with trading. As long as you have enough amount of money then you are capable of the investments that you wanted to have. For me I think $500 is enough to start because I believed eventually we can make it through holding for long time. Most of thre experiences whom I heard from friends was good results and profit is real.