You are right that there are too many frauds to even think of them as a source of income, while this is also a forum anyway not an earning platform.

Is it safe to invest in BTC right now? Best time to invest was like a decade ago and the second best time is now. I do not bother with any alts right now to be honest, so I cannot give you an advice for that.

"The Best Time To Invest Was Yesterday, The Second Best Time Is Today" - [Source]