I noticed that successful artists often stick to a particular theme or style when posting items online, or in a gallery. Is this a strategy for building a recognized art brand to improve sales?
Pay close attention to your DPW analytics, it will tell you what you are selling. If that becomes a trend for you, yes, you may want to continue to paint that subject, but I don’t think it’s because artists are building a brand, rather reacting to what sells for them. It doesn’t mean you can’t paint other things, paint what you love, if you love it, chances are collectors will too.