Rashmi Sinha summarizes tips for running a scrappy startup with limited funding. Some key points include keeping costs low by having remote teams and outsourcing non-essential functions, bringing in outside experts as advisors rather than employees, focusing on building a great product before pursuing business deals, emphasizing speed in development and launches, and continually trying to double user traffic through experimentation and product improvements. The overall message is that with the right strategies, a startup can achieve growth and success even while operating frugally.