I use options trading for 3 purposes:
1. Buy value stock at cheap price
This is done by selling put options (covered) at a price you can afford. For example, if I want to buy 100 Apple share at USD 160 (currently is USD 180), it can be done by selling a put options at strike price USD 170. I can earn a premium while waiting for the price to drop (if the price drops).
2. Sell stock at a higher price
This is done by selling call ...

Options trading offers the potential for lucrative gains in the markets, yet it's vital to recognize their high-risk nature and to proceed with caution. Mitigating risk in options trading involves employing key strategies that are crucial for success. Here are some suggestions to consider:
Don't be greedy:
One of the most common mistakes made by new options traders is being too greedy. They may hold onto positions for too long or try to ...

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I'm trying to understand the call and put option.
Please correct me if the below is wrong.
Much appreciate for your reply and explanation.
Buy call options = Buyer get the premium immediately? buy at the higher than current price which expecting the price will raise in future?
Sell call options = Seller pay the premium immediately? Why need to sell it if price expect to raise?
Sell put options = Seller get the premium immediately? sell at the lower than current price which expecting the price will drop in future?
Buy call options = Buyer pay the premium immediately? Why buyer choose this?
Which one is able to buy or sell in order to receive the premium?
...

Wrote this guide, hope it helps. I am not affiliated with moomoo. guide based on Android phone.
Go to the quotes page and select a stock e.g. MRNA. Then, swipe the top menu to the left ( see arrow) until you see 'Options'
Tap the options button. The options chain with all the strike prices appear. Expiry dates are right above the strike price header.
Select the expiry dates you want and then tap on any of the strike prices below, on either the call or put side, depending on what you want to trade
Tapping either side on the relevant strike prices brings you to the individual option's chart
Once there, tap the 'More' button on the bottom right hand corner
Once tapped, select 'Paper'
you will then be brought to the paper trading interface for that particular option. set your order type, quantity, and paper trade! :)
Hope this helps!

Out of more than thousand of trader, i get weekly ranking of No. 4. Thank MooMoo.