Further, if your account is set up to buy options at all, you should be able to open spreads without filling out any other forms or anything else. So you can participate in selling of puts without selling naked puts. There's nothing to do, no need to call your broker or anything else. They'll just expire and the money stays in your account. Thirty three percent for about a month's trade.
Many traders prefer selling puts to writing covered calls.
I do both. And yes, you will be charged 2 commissions. One for selling the put, and one for buying the other put. So you do have to consider commissions in here. If you were trading just one option, then the commissions might cut in to your profits so much that it's not worth it.