Charge Me Later, Wholesale app

App description:

Charge as needed: Let all or specific clients easily schedule payments, charge them whenever you want, such as NET30, etc. Clients can choose to pay now or pay later. Send an invoice whenever necessary: Manually or automatically send an invoice to the client, allowing them to pay through Shopify checkout whenever they want. Wholesale groups and prices: Make wholesale customer groups, give each product/variant a custom price, and set a unique cost for each customer group.