Snap-On is known for nice, warrantied-for-life, but incredibly expensive tools. A 10mm socket is $40, a 10mm wrench is $58.

The cheapest OBD-II reader one can use with the Hyundai, per TFA, is ~$800, and Hyundai's required-for-this-job software subscription is $60/week.

Needing tools is fine, but the cost is ballooning, and the ladder for starting work at home, and learning, is being pulled up.

Sure, one needs tools