Enable, disable, allow, disallow the payment method per invoice is now possible (tyvm!), but I want to have rules.
Examples:
  • if over $1,000 only payment gateway allowed is eCheck
  • if over $5,000 display a special message like "can't pay online, send a wire to account 1234"
  • if over $10,000 allow partial payment
  • if has Product "Logo Design" then the only payment gateway allowed is eCheck