Welcome to AA! Craigslist is a great place to get most of your aquarium needs. Just be sure to test heater, filters, lights, etc. Also do leak test on all tanks.
For cheap fish, my petsmart is always selling $1 fish. So thats where I go.
Sent from my SGH-T889 using Aquarium Advice mobile app
29g planted community tank, 2.5g mini bow work shrimp tank, 1.5g shrimp/growout tank