Haven't done one of these for a while as I've been busy studying. This should be a great way to find a lot of good online resources, don't forget to check it all out at Rocks In My Dryer, or better yet, play along.
My favorite online resource? Well truthfully I have several but I think one of my big favorites is bulkfoods.com. They have a wide selection of a lot of different things that we use and the shipping is only $4.95. Take a look, you'll be amazed at what you find there.