You can set an alert in t t n e x p e rimentalmethodsinrfdesign and it will email you when one comes on the market below your price theshold . <| sep |> They track returns to identify fraudulent returns . If you are returning a high proportion of your purchased items frequently , you are probably pulling a scam , like using it then returning it , stretching warranties , etc . <| sep |> I would never lie to you guys . Would I ? <| sep |> I would say that person has died and unplugging them is the right thing to doI wouldn ' t say that , there might be some perfectly good donor organs you can save lives with right there . you should , at the very least , check their prior wishes and the wishes of the next of kin before unplugging them .