Most venture capitalists won't read a business plan unless the entrepreneur is introduced to them by a contact.
You say: "If you sign an NDA, I'll tell you my idea." Investor thinks: "You are clueless. How can you not know that venture capitalists don't sign NDAs?
Everything you want is cheap or free. If you went to a venture capitalist and said: "I need money to buy tools." You flunked the IQ test, I mean every tool that you need is free!