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 (covered) at a price you see reasonable. For example, if I want to sell 100 Apple share at USD 190 (currently is USD 180), it can be done by selling a call options at strike price USD 190. I can earn a premium while waiting for the price to rise (if the price rises).
3. I can protect my stock from losing money
After buying a stock, I can protect the value by buying a put options. For example, if I own 100 Apple share at USD 170 (currently is USD 180). I can buy a put options at strike price USD 175. If the share price fall below USD 175, I can exercise the put option to sell 100 Apple share at a higher price than what I initially bought.
Methods 1 and 2 are what some people call Wheels Option Strategy (WOS) and Method 3 is also known as Long Put Spread.
ZnWC OP : I don't trade options frequently because of expensive options fee which is something you've to consider when trading options.