For many Americans, retirement isn’t about white sand beaches, or sipping Pina Coladas in the sunshine. For a lot of older people, retirement isn’t about simply relaxing, but really challenging themselves. To pushing their boundaries. To trying new things, meeting new people, and — sometimes — starting a new venture. — But, like all businesses, you can’t start a successful post-retirement venture without that vital ingredient — the capital. So how can you finance a business while in retirement — and how you? …