Hi K.
I breast feed my son for 14 months. I purchased a Pump In Style. I realize this is alot more than you are able to spend. But I just wanted to let you know that I sold mine on e-bay for a fraction of what I bought it for. It was like brand new because I was alway breast feeding. I rarely used the pump but it was nice to have around just in case.
My only suggestion would be to purchase the cups that you put on your breast and the clear cords. (I'm sorry I know that this is not the right names for them but my mind has drawn a blank)
When I sold it I included alot of extras. I just wanted everything gone. I gave all of the milk storage bottles, new milk storage bags, microwave steralizing bags, new cover for when you are breast feeding in public and a few other things.
I also wanted to tell you that my friend was able to get WIC. When she went back to work they provided her with a free brand new double electric breast pump. I'm not sure if you qualify but I just thought I would let you know.
Good Luck