I currently feel guilty because its so easy to just buy one thing at a time, and theres nothing stopping me from doing it, that I end up making micropurchases.

I currently feel guilty because its so easy to just buy one thing at a time, and theres nothing stopping me from doing it, that I end up making micropurchases. Google can absorb some losses for now as they ramp up adding even more ads on search to subsidize this service (and others) but you know where this is heading. The math has to be there, either prices have to be sky-high or /and a delivery fee. See Kozmo, Webvan...