Solo Travel Feedback

Hey, thank you for coming here.

Your feedback will help me serve you better and maybe create a product/service for exactly what you want and need to help you improve your solo traveling.
1.With everything that's going on in the world right now, when it comes to solo traveling, what is the single biggest challenge/frustration/question you are facing?

(Please be as detailed as possible)
2.What is the most you have spent on a single course or training program to help you with your solo traveling? (in US Dollars)
3.What is your current yearly income? (in US Dollars)
4.(Last Question) Which format(s) suit(s) you best for a training course?