Offer your thoughts or opinion on the input financial query or topic using your financial background.

How can I help others plan their finances, without being a “conventional” financial planner?
You need a license/registration to be a "conventional" financial planner.  But as long as your work is limited to budgets, and cash flow analysis, it may be more like accounting. In your shoes, I would consult the local CPA association about what you need (if anything) to do what you're doing.