Casos edge, artesão de Lisboa vs exportador de vinho do Porto vs retalhista Lusófono PT+BR?

Three real Portuguese merchant profiles, three different Magento setups:

• Lisbon artisan (cork / leather / fashion DTC, €50k, €500k), Hyvä theme on Magento Open Source, MB WAY + Multibanco (via IfThenPay or EuPago), SAFT-PT via certified extension (Vendus or Moloni), DHL eCommerce + CTT Express shipping, Continente / OLX.pt marketplace optional, Cookiebot for CNPD, PTisp hosting. ~€5k, €15k build, 4-6 weeks.
• Porto wine exporter (Port + Madeira + Vinho Verde, €500k, €5M), Magento Open Source with multi-store (PT + UK + US + JP), age-gating + alcohol-shipping compliance (IVV control on PT, FDA/TTB on US, prohibition checks per US state), Klarna + Stripe + PayPal for international, SIBS Pay for PT, EU-bonded warehouse integration, refrigerated logistics carriers, multilingual (PT + EN + DE + JP), ~€25k, €75k build, 8-14 weeks.
• Lusophone PT + BR retailer (fashion or electronics, €5M+), Adobe Commerce on Cloud (Frankfurt), 3 stores (PT-EU + ES-ES + PT-BR), per-store currency (EUR + BRL), per-store tax engine (IVA + Avalara Brazil), per-store invoice pipeline (SAFT-PT + SII + NF-e), per-store payment (SIBS + Bizum + PIX), B2B with NIF + Net-30 + Primavera ERP, multi-warehouse with shared catalogue, €100k+ build, 16-24 weeks.

We audit + scope, the right answer depends on your shopper mix, ticket size, and B2B/B2C split.