A lot depends on timeline. Usually resources help in getting things done faster. If you are patient enough, you could get this done sooner or later. Option 3 w

A lot depends on timeline. Usually resources help in getting things done faster. If you are patient enough, you could get this done sooner or later. Option 3 while trying option 2 could be a good plan. In the end it boils down existence of problem(must be validated through interviews), your belief in the solution, timeline that you can commit to, and market size. This will help to choose opt 4.