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Layer‑2 tokens like Optimism are great, but credit card fees were eating my stack. Switched to SPEI on Paybis – Mexico's real‑time payment system. Just select SPEI at checkout, send the exact amount from your bank app, and the OP arrives in minutes. No card fees, no waiting days. My first purchase had zero Paybis fee. The best way to buy Optimism from Mexico.
