Scrum and Agile - Which Is a Good Idea?

Scrum and agile are, they get their origins in software development. With waterfall, you go through a process of figuring out all the details about what need to be done. Then you drop down into testing and bug fixing, and then you release it. And it's all done single steps until the thing is released. The problem is that you run into scenarios the whole time with budgeit because you don't like the he the specks probably should change as you go.