http://www.forrestrace.com/plastic-glass/

is it better to home brew beer in plastic or glass?
I am looking at what kit to buy of craigslist. one is plastic and costs 60 the other cost 100 and is glass with both a 3 gallon and a 5 gallon.
I use both. My beer usually gets 2 weeks in plastic and then gets racked to a glass carboy for secondary fermentation. The advantages of the plastic buckets are that they are light, unbreakable in normal use, and you can get into them to clean them. Disadvantages are that they can get scratched, making cleaning tougher, and that they pick up the aromas of the hops. I get around this by having separate primary fermenters for wine and for beer (as well as one I use only for sanitizing soaks).
I’d suggest starting with the plastic and haunting flea markets for glass carboys.
How to Make Fake Breakaway Glass using SMASH! Plastic