at your age I certainly wouldn't be rooming with strangers... I'd definitely get your parents to book a hotel and stay with you if you don't have friends you can stay with... thing is... all the close hotels are booked solid and have been a while... so you'd probably have to have your parents drive you to and from your hotel to the con anyways, since it would be dangerous for ANYONE, especially a 13 year old to be walking alone all that way...
Next Con & Cosplays: Otakuthon as
Mami Tomoe from Pulla Magi Madoka Magica
Riza Hawkeye from FullMetal Alchemist Brotherhood
Battler Ushiromiya from Umineko no Naku Koro Ni