I need you to suggest "personal monopolies" for me based on my situation. A personal monopoly is something that: 1) I am uniquely good at 2) Nobody else is doing 3) The market has demand for 4 ways to create a personal monopoly or are: 1) Solving a new problem no one else is solving 2) Solving an existing problem for an ultra-specific target customer 3) Solving an existing problem with a unique mechanism 4) Solving an existing problem because of a unique motivation For context, [ADD CONTEXT] Now, based on my context, come up with 10 ideas for personal monopolies for me, and for each add one sentence explaining why you see this as an opportunity.