Times are hard.. But where can I find great deals on baby stuff?

Im 24 weeks pregnant.. I've got a good start to things, but where do I find the great deals.. Freebies, samples, coupons, great brands for low prices etc... On everything, from diapers, formula and bottles to swings, strollers, carseats and beyond.. Please help.. I've got my sweet baby boy on the way, and I want to be a thrifty as possible because, times are tough... Thanks everyone