[1] Software entrepreneurship involves a broad range of businesses; from helping people plan daily events to controlling a space shuttle.
One advantage of starting up in this direction is the ability to attract stock market investors and venture capitalists for funding.
One advantage of service business is that long-term customer contracts can allow the company to survive rough economic times.
[3] Funding is done by corporate professionals who are at high level management & cannot leave Job and take the career risk.
They can become passive partner, shareholder or investor (isafe notes is an instrument to invest without becoming partner/shareholder) and infuse capital.
These people invest to make money (The dirty but sole objective of business) This is practically an impossible method as the bank requires security and personal loan guarantees.
[4] Venture capital help offers a large sum of money and often assistance in managing the company.