These 2 are probably the bible on strangle/straddle selling. Occasionally watch tasytrade re-runs, wife and daughter at dance so catching a few of the more important re-runs.

https://www.youtube.com/watch?v=UBBjR3NcyUM managing straddles and strangles

https://www.youtube.com/watch?v=pDz10RKJdp0 how big account for 1 lot trades