Planning your first digital product starts with deciding what someone can use it to do. “A productivity ebook” describes a category. “A weekly assignment planner for students with changing work shifts” identifies a person, a situation, and a task. The second idea is easier to evaluate and explain.
Describe the moment of need
Write one sentence about when your buyer reaches for help. In a fictional student-planner example, that moment might be Sunday evening, when a student has a new work schedule and several assignment deadlines. List what the person already does, such as checking a calendar or rewriting a to-do list.
Speak with possible users or examine public questions without assuming that one comment represents an entire market. Get permission before quoting someone or identifying them in your marketing.
Choose one task your resource supports
For the fictional planner, the task could be mapping assignments into available study periods. That scope suggests a weekly grid, a deadline list, and a page for handling schedule changes. It does not automatically require a course, coaching, or a hundred-page guide.
Choose the format deliberately
A printable PDF can suit handwriting and a fixed layout. An editable spreadsheet may suit calculations. A video may suit a demonstration. Match the format to the task and your ability to deliver it; do not label a PDF editable or digitally fillable unless those functions are actually present.
Write an included-and-excluded list
Record the exact files, language, page count where relevant, and instructions a buyer receives. Also record what is outside the offer, such as personal advice or design files. Use this list when writing the sales page so that presentation and delivery agree.
Check usefulness before expanding
Ask a test reader to try the intended task and describe where the instructions become unclear. Revise that point before adding more pages. Feedback can inform a decision; it cannot establish that a product will sell.
The U.S. Small Business Administration describes market research as a way to assess and refine a business idea. Treat your product plan as something to investigate and revise, not a demand forecast.
Further reading: SBA: Plan your business. The student-planner example is fictional. No sales or income outcome is promised.