You need to get education about business and entrepreunership. I have studied following videos of Grande Cardone. He is very influencial speaker. You will never forget him once you listen to him. He is the best sell training person in the world. He has his own TV (https://grantcardonetv.com/), Sells training University ( https://cardoneuniversity.com/).
website : https://grantcardone.com/
Grant Cardone is the bestselling author of The 10X Rule and If You’re Not First, You’re Last as well as a sales trainer, speaker, and entrepreneur who has worked in real estate and the auto industry. He has worked with Fortune 100 companies such as Google, Wells Fargo, and Ford to customize sales processes and improve customer experience. He is also the owner of Whatever It Takes Network, a digital network for entrepreneurs, business owners, and success-minded people, where he hosts, directs, and executive produces programs that help people do whatever it takes to create success in their lives.