이런!

A: I saw a cool exercise gizmo on TV Home-shopping.
B: 이런! Don’t you already have a ton of those?
A: I just haven’t found the one that suits my needs.
B: I suggest you figure that out before you drop more cash.

A: TV 홈쇼핑에서 근사한 운동 기구를 봤어.
B: For Pete’s sake! 넌 그런 거 이미 엄청 갖고 있잖아?
A: 그래도 나한테 딱 필요한 건 아직 못 찾았다구.
B: 돈을 더 쓰기 전에 잘 생각해봐.

[Additional expressions]
*I saw a cool exercise gizmo
– I came across a very interesting exercise machine / I found a nice workout item
*on TV Home-shopping
– while I was watching the home-shopping network / advertised on a TV shopping show
*For Pete’s sake!
– Oh my goodness! / No way! / Wow! / Don’t tell me!
*Don’t you already have a ton of those?
– You already have quite a few of those, do you not?
*I just haven’t found
– I haven’t been able to locate / Basically, I haven’t yet discovered
*the one that suits my needs
– the right one for me / the exact type that works for me
*I suggest you
– In my opinion you should / It might be a smart idea for you to
*figure that out
– work that out / come to terms with that / make that decision
*before you drop more cash
– before you spend more money / before you buy more machines