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This is a skill question. I hope to be able to…
Obviously for 15-20 years. Annualized return 25-33%.
Currently, IPO market cap is very high for good stocks + very high SBC, probability of getting 100 bagger is near impossible, even 10 bagger is hard*. So I hope for a stock market crash 
epic kind if possible. Great stocks would be thrown out together with the bath water because of forced selling by margin calls. During 2007 financial crisis and Mar 2020, I was evaluating whether to swap AAPL with some of the hot stocks, I decided no. For 2007 is the right decision. For Mar 2020, is coulda, woulda, shoulda. My current thinking is, try margin 
*So @manch idea may be more workable. 5 baggers over 5-7 years. Switch.