I think you must count that as income! Report it using a 1099-INTERNET form.
Now the board can debate if this should be reported as a one-time income, or if it should be reported as a $ per hour type rate. And then, of course, are we talking about if it should be reported using a one month time-frame or an annualized rate.
You are indicating that you save 22% by shopping carefully. if that represents a one week saving, then annualized it is big, big %%! Based on your recent experience, is it too soon to generalize that anybody can save 22% on identical items by shopping on the internet? Have you considered starting a newsletter? Or at least a blog??
Dang- too much coffee!
Well it's all right, we're heading to the end of the line...