The fake OSAS peoples claim if one has but a moment of faith... they are saved and will go to Heaven even if they live a life of sinful behavior. It's what their OSAS hero gnarly Charlie Stanley taught who was considered to be the leading authority of "eternal security" teaching, aka OSAS
Here's some notable quotables from their boy gnarly Charlie:
In his book, Eternal Security, Stanley says "Even if a believer for all practical purposes becomes an unbeliever, his salvation is not in jeopardy” (Chapter 10, p. 93)
“Christ will not deny an unbelieving Christian his or her salvation because to do so would be to deny Himself” (p. 94).
“Believers who lose or abandon their faith will retain their salvation, for God remains faithful” (p. 94)
He actually taught one can be a "gay christian" and still go to Heaven proving he is a false teacher!
Here's a video where you can see video of Charlies saying this (just a few minutes into the video)
In this video, Gnarly Charlie says he's proud of Andy and supports him after heresy charges
Can a Person Live a Life of Sin and Remain Saved?
Once Saved, Always Saved?
Video that addresses false claims made by Chales Stanley