online listing

I am going to make an android app and it will contain some listings. So for this niche how a person can generate $$$ ? I can generate leads by capturing email and other info of the user but any other ways? What kind of advertisement should be there while user is on the app and it should not...

I have an idea in which I have to list something but it will be an android application. So from what kind of methods I can earn through it. I can generate leads by capturing email and other info of the user but any other ways? What kind of advertisement should be there while user is on the...