Can I purchase more than 6 “Must Buy” items as a B2B customer? September 27, 2019 03:29 Updated Yes. You are able to purchase 6 “Must Buy” items at promotional prices and the 7th item onward at non-promotional price. The 2% corporate discount will not apply. Related articles Why are there shopping lists that I didn't create? How do I register as a Business User? I can't prepare the cheque on time. Can I mail it to you?