

I don’t see any issue with this - using Wallet to manually initiate payment. It’s not wrong or right. More of a matter of preference.
I prefer to limit access/storage of routing numbers/account numbers to very few people and entities as possible. And prefer to avoid risk of mistake on creditor end withdrawing more than agreed.
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I don’t know about you. But I have many other lines of credit (mortgage, multiple CCs, auto) and deal with many services (utilities) besides AC. Have even used bill pay to issue checks to apartment complexes and landlords.
Using my banks bill pay feature gives me a single view into outgoing debits to creditors/services.
It’s a bit of extra work but worth it to setup in my opinion. Especially when dealing with multiple creditors.