Personally, and I don't mean this to sound rude, I would recommend that you scrap this project completely and find another subject that you can develop your skills on.
This one appears to be doing the opposite and actively *making* you make mistakes. The composition is very clumsy. As for the lack of focus, I actually love blur but this this techique only really works in a setting where something is really happening. Garry Knight is a great example of someone who uses it brilliantly. I can't imagine him ever using it in a supermarket, though.
Also, it's difficult to get right, and definitely not a shortcut to artsiness. If you want your photography to get better, I'd concentrate on trying to consistently make sharp (in every sense) insightful images that stick to the rules. When you've mastered this, then you can start to think about getting clever and breaking the rules.
Most importantly, think exactly what you're trying to say here. I don't get any sense of commentary or message from this set. It's obvious that you want to make good pictures and the best way to do that is to shoot things that you actually care about. I don't think you're really very interested in this at all and it shows.