I have toyed with the idea of doing a multiday backpack using only stuff I bought at Walmart. Say what you like about Walmart, they are cheap, and some of their proprietary brands aren't that bad. There is no question in my mind that I could find every thing I need there, from my boots to my hat, and everything in between.
I've never gone as far as writing up a list of everything I'd need and then going through the Walmart Website, selecting gear and adding up the cost, but I'm guessing it would be ridiculously cheap. How bad could it be? I don't think I'd want to start the AT or CDT with it, but a three to five day backpack? Hmmm. I just think it would be an interesting experiment.
I wonder how it would compare, in price, to spending several months combing through Sierra Tradingpost deals? I sometimes get stuff at 85% off retail, or even more.