As a founder, should you build financial models for investors or yourself? How can models help build better businesses? Are there common use cases that startups can follow to tackle financial challenges? An easy to read review of financial modeling for founders. Rather than focusing on building better models, the book helps founder focus on building more efficient and productive businesses. 248 pages, 13 chapters, six case studies help cover a range of topics from modeling revenues to unit economics, estimating market sizes to deciphering investor term sheets.