There is no true edge in straddles...as they say... there is no free lunch.
In the money, at the money and out of the money options all generally have their pros and cons. and applicable risks and rewards. and more or less, already priced accordingly.
The only true edge or skill in trading is being able to anticipate the future of what you're trading and/or to manage and tame it well.
This sentence sounds both incredibly basic and complex at the same time, so make sure you truly digest it and are able to apply it for the real world environment.
Trading doesn't have to necessarily equate to Gambling, as so many people seem to interchange the two.
With gambling you are severely limited in your control and outcome and options, no pun intended.
Gambling is like being a caged, servant, slave circus animal. -- While Trading, you're still that same animal...but free, in the Wild,...and it will require your cleverness and skill and ingenuity to survive and thrive,