"What are the steps and requirements for entrepreneurs looking to make their business debut in the USA using an investor visa? How does the investor visa process work, and what are the key eligibility criteria and financial investment thresholds that aspiring entrepreneurs need to meet? Additionally, what are the benefits and limitations of pursuing the investor visa route, and are there any specific industries or regions in the USA that are more favorable for foreign entrepreneurs seeking to omegle voojio establish their business presence in the country?"