Buy only in what you understand. Buy positive cash flow companies. Buy direct to consumer businesses. Buy companies whose products have insane demand, because they become price setters. Consider valuation. If you do this, you will notice the list of awesome companies shrink to just a couple. $tesla $apple
$ARK Innovation ETF(ARKK)$the price now is like pre covid, for someone looking at it now and 3 years ago, you wld have never known the ride of the lifetime