You do not need to be part of opec to sell oil. The US, UK, and Norway, just to name three, are not members.

https://www.opec.org/opec_web/en/about_us/25.htm

I can’t stress how important this is: babysitting does not, in fact, involve sitting on baby.

They’re probably European prices, either in euros or even in pre-euro funny money.

I’ve left it at the default

“Aside from people who [benefit from self-checkout], it’s hard to see who benefits from self-checkout.

Their idea of a “tech worker” is an angel investor

They probably just need a drink. Offer them a Molotov Cocktail.