I don't think you'll have a problem. In fact, I wouldn't be surprised if they give you a 10-year (or indefinite) multiple entry visa.
One other poster gave good advice about estimating when you visited Disney.
As long as you show ties to your current domicile--an intent to return--you won't have a problem getting in. Now, if you've been naughty, done some criminal things, that's a whole other story.
I enter the US about a dozen times a year on international flights and have never had a problem with customs. Just don't bring in food or agricultural products. If you haven't visited a farm in the past month, you will be fine.
Have a great trip!