Trying to write an Artist Statement is way harder than making photographs, for me at least. A good statement can make a series and I envy those with the ability to talk freely about their art.
George,
... my $0.02 on "Artist's statements"! You are not making art in a production line, each work comes from some need deep inside you. When you sell art to make a living, it has to be related to some market you naturally attract or can cultivate. If art is for a hobby, or you are dedicated and either satisfied with being poor or already have money, then, you just report your true feelings on the matter. Everyone else can take it or leave it. If, however, there's need to put bread on your table, the artist's statement then is already part of your marketing and so you might then have to take that into consideration.
Write down what your art means to you and why you came to this place in life and what you see ahead of you. From that will come your artist's statement. See how this fits in with your marketing goals.
Salvador Dali, BTW, had marvelous artistic ability to do what was his fancy, .................and be a brilliant showman and marketer too. He had as his partner a British, ex Air Force officer chap who, I believe retired from psychological warfare operations!
Asher