depending on what size you get him at id say go for it it will last a few more years if you get a juvinile
big and small the are generaly the same price due to the fact that they are not as highly prized as asian aros
i have a 14" jar in a 72"x18"x30"(165 g) he and his mates will be good for about a year and thats it the they go into a 300gallon
people are going to tell you that you need a 6'x4'x4' tank and that is worth thousands
even when custom built.......
so in the end if you dont eventually want to get a tank that big the jar may not be for you
dont let anyone discourage you from doing this...as i said if you buy small you have a few years so start savin for the big one
have agood day and i hope this helps a little