In a landscape where many dream of waking up wealthier, billionaire entrepreneur and “Shark Tank” star Mark Cuban shared his insights on building wealth back in 2017. Through a concise set of nine rules showcased in a Vanity Fair video, Cuban highlighted essential principles for financial success that resonate even today. Key recommendations include living frugally, establishing a financial safety cushion, avoiding credit card debt, and continuously seeking knowledge.
Among these guidelines, one rule continues to captivate attention, particularly for those with a high risk tolerance: the idea of making speculative investments in cryptocurrencies like Bitcoin and Ethereum. Cuban suggests that for adventurous investors, allocating a small portion—specifically 10%—of their portfolio to these digital currencies could be worthwhile. However, he emphasizes a crucial caveat: investors should approach this gamble with the mindset that they have already lost their money.
This approach is refreshingly devoid of hype or crypto enthusiasm. Cuban likens such investments to collectible sneakers or baseball cards—intriguing and speculative, valued only if there’s market demand. He succinctly dubbed it a “flyer,” indicating that an asset’s worth is ultimately determined by what someone else is willing to pay.
Four years ago, when Bitcoin was priced around $5,600, no one could have predicted its soaring trajectory. Projections for 2025 suggest an average value nearing $100,000. An investment of $5,000 back in 2017 would now be worth nearly $90,000, while a riskier gamble of $15,000 could have ballooned to around $270,000.
However, Cuban’s investment philosophy is not solely about timing the market or chasing fleeting trends; it’s rooted in emotional management. The success of his “Hail Mary” rule hinges upon treating this speculative investment as money already lost. This strategy effectively allows investors to maintain a stable and conservative financial foundation while taking calculated risks.
In stark contrast, renowned investor Warren Buffett has consistently distanced himself from the world of cryptocurrencies. He has publicly stated that cryptocurrencies possess no intrinsic value and has expressed a strong belief that they are likely to end poorly. Buffett’s skepticism underscores the volatility and unpredictability of the crypto market, warning that when the demand dwindles, assets can quickly lose value, catching many investors off guard.
Cuban’s approach stands out amid this discourse. Rather than making lofty promises, it provides a framework for emotional detachment. By treating a speculative investment as disposable, investors can confidently explore the potential for significant returns without jeopardizing their overall financial stability. The mantra is simple: bet it, forget it. If luck favors the bold, great; if not, the integrity of the core financial life remains intact.

