I'd say if the motor doesn't smell burnt then you should be good to go, does the seller have a electric outlet nearby that he can plug it in to show you it runs? I'd ask that,,,



From what I'm seeing they run new from $89.00 up to $ 204.00 depending on how big (amps) the sawzall is.
Here's a link, https://www.google.com/search?q=milwaukee%20sawzall&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-USfficial&client=firefox-a&source=hp&channel=np#q=milwaukee+sawzall&hl=en&c lient=firefox-a&hs=1X1&rls=org.mozilla:en-USfficial&channel=np&prmd=imvns&source=univ&tbm=shop &tbo=u&sa=X&ei=CKteUJW-AobyyAH_q4HwCw&ved=0CFEQsxg&bav=on.2,or.r_gc.r_pw. r_qf.&fp=e6f984feac0bf7d7&biw=1152&bih=723