I started investing in cryptos late august and feel like i'm late in the game. but now i get it why EOS are doing the 1 year token sale.

Just curious, how do we actually earn money in EOS? Do we have to sell the EOS tokens ? Or do we earn a percentage of the income when holding on to the tokens?

I'm not only into this for the money, honestly, that's why I ask because I don't want to sell my EOS coins...

I'm trying to compare this to NEO, wherein you earn GAS when you hold the coins.