I'm 6 mos. pregnant and realized that with no effort we already have most of what we need for the baby including a wardrobe up to 2 years, mostly due to the generosity of our neighbors. When people found out we were expecting, the hand me downs came pouring in. We also have a neighborhood specific buy/sell/trade FB page where people frequently give away free stuff.
I used to just drop off our old stuff at Goodwill because it's so easy, but now I make a point to sort it out and post it for free somewhere - it feels so much better to help someone out with no money being exchanged, and a good way to get to know your neighbors.