When does it actually make sense for a startup to incorporate in Delaware? Do early-stage founders tend to rush and overpay for their status before securing real investor demand or fundraising leads? Is it better to wait until it is actually necessary?

When each and every country has their own respective currency and mostly dollars are used to do international trade, then what is the purpose and need of cryptocurrencies?

I am currently pursuing a career in teaching, but I am also interested in exploring online teaching options. What are the legal criteria and marketing tactics I need to know to start my online start-up company in the USA?