Woodworking. I started recently and it is very interesting. I want to buy new wood routers, I found good reviews on https://www.woodroutersreviews.com/ quite interesting website especially for beginners.

It depends of on complexity of your future mobile application, it purpose and other. I think better will be to contact some developing companies, and you will know real prices and conditions. I can recommend Reinvently company, they have big experience in this direction. You can check their specialization on the site https://reinvently.com/on-demand-apps/

Humans, because AI doesn’t think. AI is done on CPUs and those are very primitive algorithms, where instructions are executed from memory lookups. The human brain on the other hand, all its circuitry all runs at once, and also, there is this whole other thing happening on a quantum level, where literally future possibilities are contemplated when making decisions. It’s a totally different mechanism.