while i do appreciate the response this is basically why the thread was made and the thread in its entirety is an acknowledgment that the price of the lizard is almost irrelevant to the price of care. im surprised that so many posts said that the lizard itself is the most expensive part. a tegu and many other large lizards are something i absolutely must keep someday im just deciding whether now is the time and how much money it will cost me. soon id like to be turning a car into a low rider as well as save up a good chunk of money for college so if im buying a tegu id like to know the amount of money to put aside.I have heard many times that Columbians are more aggressive and less manageable than Argentines. If the cost of the lizard itself is your main concern you may want to rethink things. Not that they are the most expensive pets to own (some people blow it way out of proportion) but building the enclosure (with the price of lumber these days lol), sourcing food, lighting, and the time it takes to maintain larger animals will far outweigh the cost of the animal, especially since they live quite a while. The main thing is that you will have to build a very large enclosure, A lot of people recommend an 8x4 footprint for an adult. To me, even that seems a bit small for an active lizard that will get to almost 4 feet, but I've never kept one so what do I know. I do know that letting tegus "free roam" (there was a particular lizard on youtube I won't name that inspired lots of people to do that a few years back) is not a good idea and will end in health problems for the lizard. Other than that, make sure to do your research. I know that there's a lot of different viewpoints on how to care for larger lizards and reptiles in general (a lot of things in the reptile hobby seem less "generally accepted" than with fishkeeping) but extensive research is important.
Good luck, a tegu is definitely on the list of animals I would like to own someday, I just don't have the time or resources right now.
any cage is small for any living thing which is why i ask about free roaming because no matter the size of the enclosure id almost certainly want to let him out to explore and stretch his legs and see new things.
id like to be very clear that while the price is the topic of the thread im not looking to cut corners and i put the well being of the tegu way above whatever the cost to maintain the animal is.