20 long tank
tank
hood and light
25lbs gravel
5 fake plants
1 real plant (anubias)
some stones
a terra cotta pot and cave
filter
heater
4 platy and a ram
craigslist stand ($15!)
Total cost: about $265
A tip on cutting costs is to check craigslist for hoods, lights, plants, unused filters and unused heaters, and stands. You want to make sure it is all clean of course, but you can really save.