^I ? my Wagner Power Sprayer. The thing is over 10 years old, I
  don't use it much - but when I do, bing bang boom, done. I gave
  it some old exterier flat paint - house paint - thick stuff -
  from a can that's old, rusted, paint separated. Mixed it
  together,- and it put it on both barewood and already painted
  wood like a dream. I love tools that WORK.^