@cmherko925
If your customers are located in the US, explore this payment service for your automated recurring billing with ACH payments.
https:// melio.grsm.io/quickbooks
If your customers are located in the US, Canada, and EU; you may need a more advanced billing app.
https:// mbsy.co/DJtTL
Unfortunately both apps only support QB Online. You may need a 3rd party importer tool for your QB desktop.
https:// transactionpro.grsm.io/qbd
Hope it helps.