Building a successful business doesn’t automatically make someone a successful investor. In fact, according to David Leiter, Founder of The Ultimate Investor and Author of Stop Making Stupid Investments, the very traits that help entrepreneurs grow companies can work against them when it’s time to invest their wealth.
On today’s episode of Business Trends Today, Leiter explains why successful business owners often struggle as investors and shares the principles he believes can help them avoid costly mistakes.
Leiter drew inspiration for his book from observing friends, clients, and fellow entrepreneurs repeatedly losing money as they chased the latest investment opportunities. He also personally encountered those pitfalls after getting caught up in the dot-com bubble early in his investing career.Â
"I saw for years people losing money in the same type of get-rich-quick type schemes… I realized people didn't know how to tell the difference between what was good and what was bad."
Leiter said that entrepreneurs often approach investing with the same confidence, optimism, and determination that helped them build their businesses. While those qualities are valuable in entrepreneurship, he said investing requires a different mindset rooted in patience, discipline, and emotional control.
That transition can be difficult because many entrepreneurs assume success in one area naturally translates to another. Leiter compared the mindset to expecting an elite basketball player to excel immediately in football simply because they dominated a different sport.
Before buying the investmentÂ
Instead of relying on instinct or excitement, Leiter encourages entrepreneurs to establish clear investment rules before evaluating opportunities. He believes that approach helps investors avoid emotional decisions fueled by fear of missing out, especially as successful business owners attract more investment pitches throughout their careers.
Leiter also urges investors to focus on understanding the underlying business rather than chasing stock prices.
He said entrepreneurs already know how to evaluate businesses because they built one themselves. The challenge is applying that same level of due diligence before investing rather than acting on a tip or market hype. Ultimately, Leiter believes successful investing begins with humility.
By replacing emotion with a disciplined framework, Leiter said entrepreneurs can protect the wealth they’ve worked so hard to build and make better financial decisions over the long term.


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