Making a business is a lot of work, especially deciding what are you going to do.
This is a call for everyone in this community to brainstorm a list of ideas so that people can base their business from this post.
Here's some ideas

Food/Beverage industry
- Smoothie Bar ( Jamba Juice inspiration)
- Coffee shop ( Like starbucks, but cheaper)
- Gourmet food to go
- BBQ grill EXPRESS ( fast food, but BBQ)

Various Ideas

- Eco Friendly (GO GREEN!) Recyclable material
- Hand made clothing
- Re Invent trends, bright colors, different materials
- Shoes- Bright colors, Strange designs.

Now its up to you to post more ideas, keep this train moving