If you want start earning through the trading with seriously mind then I will suggest not to use bot , it is because the bot can't understand the fundamental discussion in the market of the money of the particular altcoin .
Bot will work upon the normal technical ways like price prediction through candel graph ,so here bot can't do much more better then what you expect .
If you want real more profit then I will suggest you for the manual trading , Because I myself in the history tried some bot technology in Poloniex but not get much success .