another lizard?

Question
I have a leopard gecko. I have had her for a 1 1/2 years. I love her to death! I have to pay for all her meal worms and crickets. I am wanting to get another lizard. Here's the question, what should I look about getting? Another leopard gecko? But then that doubles my insect bill (I don't exactly want that). Although it would be nice to have a friend for my leopard gecko, and not have to get an other cage (mine is 20 gal.)  I don't no if it's worth the money since I don't have alot to begin with. So maybe something that eats vegies... but yet isn't to large. Is there any type of Iguana that is around 10 - 12 inches? I really hope you can help me, I'll look forward to reading your reply!
Dan

Answer
I think the option for you is to probably get another leopard gecko.  You don't necessarily have to increase your cricket bill by much, you can use mealworms as a staple food in their diet.  Make sure you have a female gecko and only purchase another female to go with her.  Two males will fight.  

There is no small inexpensive, vegetarian lizard think of that would fit your needs.