Snowball solution

I read this an article how to get rif your debt in faster way, i read it , its quite logic but when i looks at my situation. no..that not gonna happens since i held credit cards and one of it is lose to nowhere. but this give me an idea, I still gauging whether the asb is reasonable or not. It is loan in the name to buy asb. but if according to compound interest . In 2-3 years can cover it, so i have to endure it. My target of investment is 30k-50k within these 3 years.