New Delhi, Feb. 4 -- Thinking of quitting your full-time job to build a startup or business of your own? Along with a business plan, it's critical to prepare your personal finances for the early years of the new venture.

"You need to survive in order to run the business," said N. Raghu Kumar, a Bengaluru-based registered investment adviser, 41, with the Securities and Exchange Board of India.

Mint Money spoke to three individuals who left their corporate jobs to become entrepreneurs, to get their learnings on managing finances at home without a steady income to count on.

Build a runway

Well before you quit, start building a corpus which will fund your home bills until the new business takes off.

Begin by calculating your monthly expe...