Buy it every Month whenever you have extra Money for 10 Years. *Maybe there will be Market down 5%,8%,10%, even more but never sell Your Position on temporary Market down. It will bounce back Its matter of time. KEEP HOLD for 10 Years or More without Sell.*
Nasdaq ETF QQQ Buy 3x Leverage TQQQ
Russel 2000 ETF IWM Buy 3x Leverage TNA
S&P 500 ETF SPY Buy 3x Leverage UPRO
DOW 30 ETF DIA Buy 3x Leverage UDOW
https://www.cnbc.com/2017/05/12/warren-buffett-says-index-funds-make-the-best-retirement-sense-practically-all-the-time.html
https://www.cnbc.com/2017/11/10/billionaire-ron-baron-says-any-patient-investor-can-turn-5000-dollars-a-year-into-nearly-1-million-dollars.html