ya craigslist is pretty good, but i got my best score at a goodwill, i got my 100 gallon and stand for $50.
i also got a 41 gallon hex for free on craigslist like 5 months ago. havnt set it up yet, will prbably do brakish cuz ive been wanting to for ever, like a snowflake eel and a few monos or sumthin.
gotta love cheap tanks.