craigslist finds post

http://sacramento.craigslist.org/fuo/2788590419.html

30 gal for 30$
and stand for 20$ not bad.

http://sacramento.craigslist.org/for/2782279566.html

29gal for 20$

http://sacramento.craigslist.org/for/2788372201.html

20 long with stand light and filter... ok deal i guess.

not a 100gal like the dude says in the post but for 40$ depending on dimensions it could be a good deal for 40$

http://sacramento.craigslist.org/for/2788264008.html

measurements for tanks are
base x width x height x .00433 = gallons

might just call and get dimensions from him.

50 gal tanks stand light. not bad but no filter.
http://sacramento.craigslist.org/for/2788796292.html

http://sacramento.craigslist.org/for/2783496341.html

might be a good deal as its acrylic but who really knows if its 55gals. if your gonna buy something from someone always ask measurement when you call. especially of craigslist.
REMEMBER
measurements for tanks are
base x width x height x .00433 = gallons