The question is not "is it possible", it is "at what pace"
Yes, you can make money with a phone. No, it is not as fast as with a computer. The difference is not about being able to start, but about how many tasks you can chain together in an hour. Worth knowing before you compare your results to a trainer sitting in front of two screens.
Three activities you can genuinely run from a smartphone
Remote local services come first: community management for shops in your area, short-form video editing, photo retouching. Then reselling physical products with a small catalogue, where almost everything happens in a messaging app. Finally, content creation monetised through affiliate links, where the phone is actually an advantage.
Two activities where a phone eventually blocks you
Paid advertising across several accounts quickly becomes unmanageable on a small screen: reading a ten-column table and reallocating budget needs space. Managing a catalogue of more than fifty items, with file imports and stock reconciliation, also calls for a computer. Aim for that purchase once your first income arrives — not before.
What to set up on day one
A number dedicated to your business, a way to get paid that does not depend on a relative, and a folder where you keep proof of your work. These three things cost nothing and prevent 80% of the blockages we see in consultations.