I have been looking at a Hakko hot air gun and a Weller, but I also see on Ebay cheap Chinese models for $40-50 including freight. I haven't needed hot air that much but I'm getting to do smaller SMDs. For the price of an Hakko or Weller I can buy 10 of the Chinese ones, even if it only lasted for 1 year, I can buy one each year for ten year and still just even with a Hakko.
Is there a compelling reason not to buy a cheap one?