Digital products and sponsorships are both valid revenue models. The question is which one fits your current audience and workflow.
Digital products
Digital products work well when your audience has a specific problem and trusts your process. They are strongest for templates, guides, workshops, and short courses.
Sponsorships
Sponsorships work well when your content reaches a clearly defined audience that companies already want to reach. They depend on consistency and audience fit.
Choosing the model
If your audience asks "how do I do this?", start with a digital product. If brands already want access to your audience, sponsorships may be a better early layer.