Investment strategy for long term

Lets have a discussion on the below investment strategies which may be better for the longer term period. I am putting this up here to see if anyone have some insights which i may have missed out or you have personally did one of these for the longer period be it a success or failure. ​ Leaps with the longest tenure on etfs that you have a conviction for such as qqqm, voo, smh. The purpose of this is to make use of imbedded leverage to maximise return while lowering risk by choosing individual s