Don't even bother thinking of getting it. By the way you type you are far too immature to handle a aggressive (defensive) animal such as T. Teguixin. If I were you, I'd look into animals such as Pogona vitteceps.
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0.1.0 Colombian Tegu
0.0.1 Argentine Tegu
1.3.4 Southern Alligator Lizards
1.3.0 Leopard Geckos
1.0.0 Western Hognose
1.0.0 Ball Python
0.0.1 Golden Gecko