Buy an existing business and grow it, rather than starting a business from scratch. That's the idea of "entrepreneurship through acquisition" or "ETA."
Forbes just published a list of business books entrepreneurs need to read. Buy then Build is the #1 book on the list. You can see Forbes' list here:
My book often is purchased along with Buy then Build. That's because my book explains the legal side of entrepreneurship through acquisition. I ordered Buy then Build today from Amazon to see what it's all about. I'll post my review of the book soon. Here's a link, if you are interested in getting your own copy of that book in the meantime: https://www.amazon.com/gp/product/1544501137/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1.