What's the most irresponsible purchase you made that you don't regret?

https://lemm.ee/post/40507319

What's the most irresponsible purchase you made that you don't regret? - lemm.ee

I bought a high end home stereo setup with large speakers and a subwoofer with my first credit card when I didn’t really have the money to pay it off quickly so I ended up paying an extra 25% of the cost in interest on top of needing to really go cheap on food for a couple years.

Still use it 20 years later.