A recession-era founder who sold her company for $375 million reveals how a spreadsheet of her own design helped her make smart choices around valuations

· Alexa Von Tobel, a venture capitalist, shares a lesson with founders from her days as an entrepreneur.
· As the founder of LearnVest, she used a spreadsheet to track all the companies that could acquire her startup, but at different valuations.
· A company's ballooning valuation looks like success, but it also shrinks the...