I don't see anything that suggest what you actually prefer to do other than "I have always been relatively tech savvy and enjoy working with technology" and "want to have the skills to create businesses that can give me passive income". Sounds like a good match for CompSci! I'm not seeing where medical field comes into the equation. Sometimes that can be a hard sell to schools, especially with a weak GPA, since there's not a compelling reason to believe you want to be a PA other than money.
A 90% percentile PA in my city makes $113K, median around $95K.
Cost of PA program (everywhere I applied) was more around $50-70K ballpark. The most expensive schools in the country run $100K...but maybe those are the only ones you are looking at applying to? In-state or out of state?
Now that you know the salary expectations, do you still think you want to be a provider? Have you volunteered? Do you have healthcare experience/patient contact hours? Have you spent some time shadowing and/or talking with PAs? These are all ways to strengthen an application. Consider how they affect your timeline and when you can apply. Many schools will take an application with prereq courses in progress. I also suggest talking to the pre-professional adviser at BYU, if that's the route you decide to go! I am still using mine 2 years out of school. She has excellent knowledge of the PA programs in my state and what they look for. If you're in the area, you could even drop in on the Pre-PA association meetings. If you'd like more specific info, I'd be happy to chat about what I know thus far and direct you to some great blogs - just shoot me a PM. Nice to meet someone else with interest in the career :)
Also, consider that not all countries use the PA system yet. If you're looking to maximize earnings with the degree and set on living in Latin America, this is definitely something to think about. CompSci/tech careers seem more easily transferable. IMO, this is also an advantage for NPs, since the nursing system seems much more widely used. I'm not sure how it works if you are licensed in the USA and then move. I imagine it depends on the country, whether you have to re-cert or similar.