If I were you, I would save the tickets until you are confident in your game play.  I would gain experience by playing in the many freerolls offered on Betcoin.ag.  Playing the freerolls onsite will not only give you experience playing the freeroll type games, which are quite a bit different than the paid tournaments you'd learn how to play in a tutorial, but it will also provide you with the insight to how specific players play on Betcoin.ag.  You can learn a lot from your opponents by playing them....many of the players that play in the Betcoin freerolls will also play in the 250 GTD of which you have tickets.  Play the Betcoin.ag freerolls and gain REAL experience....they're free to play!