On number 4, I believe most brokers don’t allow you to trade options right away, you have to ask for permission before your account is approved for covered opti

On number 4, I believe most brokers don’t allow you to trade options right away, you have to ask for permission before your account is approved for covered options trading (writing/selling options for stock you own, blocks of 100 shares for each option contract). To write options for stock you don’t own (this called naked), you have to ask for another approval. Usually both approvals require some online screening.