BTC-E does not BUY LTC.
They just have Buyers and Sellers.
When you buy 1 LTC you do not buy it from BTC-E but from Sellers which are on BTC-E (for example you (Bob) buy 1 LTC on BTC-E. BTC-E make you buy it from 2 sellers (Gerard and Bernard)).
BTC-E takes fees for the 'link' between you (buyer) and the sellers.
You see on BTC-E a list of Buy orders and Sell orders, this is just guys like you. BTC-E is just a link between you and them.
If you don't want to buy fee you have to find people directly that are ready to sell LTC ;) (or find an exchange platform that do not have fees like BC24 which is closed ATM but this is another story)
So how does btc-e.com do it? Where do they get bitcoins without paying commission (or do they?), then sell the bit coins on with commission? – oshirowanen – 2013-05-06T09:55:48.520