Sure, online courses and the catch phrase: become the best casino player just in 14 days xD
Nope, I am afraid you didn't get me right. I am speaking about the use of crypto for common citizens.
I don't think a housewife would take any advantage of knowing how to trade. The thing is crypto as a payment method: buying goods, some products at a local store, paying for cleaning etc.
Speaking of the stores that accept crypto, there are some out there. Say, Modultrade. Easy-to-use, even for housewives