There's a lot but I think the most important thing I've learned is how to be happy without having to have tons of money to buy new things or go different places. I'm in the US and I feel like our entire culture revolves around consumerism and materialism. People overwork themselves and kind of make it into their personality (grind culture). They'll go into massive amount of debt for a new car or whatever and then spend a lot of time at work to pay off that debt and they can't even enjoy what they buy. I'm hoping to work from home some day so I can get all my work done in 1/2 to 3/4ths the time and spend the rest of my time bonding with my family and friends. Memories are much more special to me than things.