What makes you valuable isn't what you learned online - it's what you've been doing in an office for years.
Most new freelancers on Upwork show up without real experience.
You show up with something they don't have — years of working in real companies, on real projects, for real clients.
That's your USP. And it needs to be specific.
Examples for corporate-to-freelance professionals:
You don't need to be perfect. You need to be specific. One line that describes who you are and what you've done can be the reason a client picks you over someone with 50 reviews but no real-world experience behind them.
Clients don't hire CVs.