Running out of moolah

I was frantically trying to get Advance Wars: Days of Ruin to work with my somewhat dinosaur flash cart for my Nintendo DS, for quite a few hours. All of the methods I try had failed, so I went to plan B (broke), I decided to by a new flash cart which should (hopefully) better than my current one and less painful to use. So I have to spent my money, which is running dangerously low. Centerlink HERE I COME!