Are split payments not supported via the "Paypal (Onsite)" option - I
have tried with multiple stores at different times an always had the system throw
an error.
Is this a sitewide policy or a store-to-store policy that I just keep hitting
stores that don't allow split payment for some reason?
[...] When you say "split payment," do you mean where you pay part from your PayPal balance and part from a bank account? I have done that on Bricklink within the [...] (12 days ago, May 10, 2024, to Payment Methods)