I'm losing a lot (140ish pounds) of weight and I'm not looking to buy too many things from each size as I shrink so for jeans, I'm looking at the old navy/gap/american eagle price range. I've never been able to shop at american eagle before so I have no idea how they fit. Looking at the size chart, their size 18 appears to be comparable to a gap size 18, which is what I am looking for. Is their size chart generally accurate? I've already gotten rid of sizes 26, 24, 22, and now I am getting rid of my 20s so these aren't going to be permanent jeans. But I do want to look cute on the way down! Also, if the size chart is not accurate - is it too big or too small? I don't want to pay shipping on something just to try it on and they only carry up to size 14 in the stores. Thanks!