It appears that he makes about $40,000/year and is not planning to buy the business of two persons (the owner and him).
Joe does not have a plumbing license so he would have to employ a licensed plumber while he would simply manage the business.
It seems to me like Joe is the dead weight that can be eliminated.
I doubt those two individuals have health insurance.
So let’s see some arguments on why Joe the Plumber would support John McCain.
Why do people in Nebraska support Republicans? Why do the military making low wages support the Republicans? Do you know why many veterans don’t have teeth? Because the VA does not offer dental insurance (unless you have a minimum number of years in the service) so they just have them all pulled out!
Why do poor Cuban immigrants vote Republican?
We have a large portion of the population that really need to get their heads examined. Wait, they don’t have mental health insurance!