I agree. You need to allow your winners to run, this is the key to successfully and profitable trading. It sounds like you have your risk under control, but you will only start to make serious money when you learn to let your good trades run, setting exit targets is massively limiting on your...
There are certainly pros and cons to day trading. Your potential for large profits is somewhat limited, however by not holding positions overnight you potentially reduce your risk.
It comes down to the individual.
Work out what suits your trading personality.