In Italy, the difference isn't just a job title—it fundamentally changes how you pay Social Security (INPS).
Libero Professionista
Artigiano / Commerciante
Scenario A (The Coder): You bill clients for hours or projects. You are usually a Freelancer (Gestione Separata).
Scenario B (The App/SaaS): You sell subscriptions or software. You are an Artisan (Fixed costs apply).
Scenario C (E-commerce): You sell goods (Dropshipping/FBA). You are a Trader.
Bonus: E-commerce Traders get a 60% expense deduction in Forfettario (Taxable base is only 40%).