I believe 7k is good enough money to put together a MVP if you know little bit of programming. Or talk to a programmer and convince him to work on this project on a 50% partnership along with 5k monetary compensation. I believe if you contact few programmers and clearly express your idea and where will it go in long term then somebody is going to help you. At least to build a MVP which you can test to see if it has any potential to go anywhere.