EVE online is free.
I'll tell you how. Get hte 14-day trial, or get a friend to send you the 21-day trial.
Go through everything so you know what you're doing, then begin saving in-game crrency as you improve. Buy game time off other players.
Keep doing so until you have enough assets to buy a monthly subscription off another player, then stop worrying.
My friend has played for 3 years and never paid a penny.