To rephrase: I would not spend 30 minutes listening to ads in order to save 30 minutes of spare time. Probably even less because ads are very disruptive to me, wasting more precious time.

https://res.cloudinary.com/practicaldev/image/fetch/s--WrczXMml--/c_limit%2Cf_auto%2Cfl_progressive%2Cq_auto%2Cw_880/http://heeris.id.au/trinkets/ProgrammerInterrupted.png