If you specifically need to use an eCheck, you can find options primarily on peer-to-peer (P2P) marketplaces or select global platforms:
: The Bitcoin is released to your wallet once the funds are fully settled. Comparison: eCheck vs. ACH buy bitcoins with echeck
: Look for a marketplace or exchange that explicitly lists "eCheck" or "Checking Account (Direct)" as a payment option. If you specifically need to use an eCheck,