Last night Timbro threw down the gauntlet and challenged me to do a totally free shopping trip. While I've gotten plenty of items for free so far, I'm yet to walk out without paying anything because I have this pesky habit of buying things I actually need when I go shopping. Today though, I came pretty damn close at Albertsons spending $.88 out of pocket and saving $12.96 or 94%. I could have gotten out totally free, but we actually needed tortillas and they were on sale (with in ad coupon) for $.99, so I had to do it. I got: 2 loaves of Franz crushed wheat bread (regular $3.39,…