I’ll start by plugging Harvard’s free courses catalog as well as Udemy
Edit: Gonna add 2 more I remembered-
Blender - I wish I had more time to learn it, but I did start the infamous “Donut Tutorial” once!
Watch Cartoons Online - Lots of good older stuff!
A lot of places in the US will charge you for the cup or say they only offer bottled water for sale.
And even if they do give out free tap water … they might not mean lead-free.
Ive definitely never, ever run into that. But I’m sure it happens.
Edit: I guess ive seen places that charged some nominal fee for the cup but it’s so rare
I went to Philadelphia and there were hardly any places to get water at all. There were always stores selling water bottles literally $8 in one instance around nearly everywhere you looked