Health savings cards
Many customers pay with HSA or FSA cards. Pharmacies generally need a POS that identifies eligible items so those cards approve. Ask your POS provider how it handles this.
Copays and front store
Copays and front-store purchases run together. Most are small debit transactions, so debit pricing matters.
Delivery
Delivery payments are card-not-present or taken at the door by mobile terminal.
Pricing
Interchange-plus with debit passed through suits pharmacies.