Gas Can Safety

I need to hire a lawn service. 

I cannot understand these new-fangled nozzles or get them to work:

So every stinking time I need to mow the lawn, I need to do this:

Now, I know this isn't safe.  I spill gas all over the place.  I'd get another gas can except:

They are ALL like that.  Except for one on the left side - but it's empty.  I suppose I could fill it with one of the other cans, but then I'm back to using a funnel which is what I was trying to avoid.

Maybe I just order me some of these off Amazon or Ebay:

Thank you. End Rant.