Hello @Mikeh85 I will try to suggest you 2 extensions for two of the 3 requirements mentioned by you. 1. Brand Promo - Buy 1 Full Price, Get x Discount of Further Products For that you can try our Special promotions module. It will let you create the shopping cart price rule you need. You will need to create a complicated rule where all conditions true: brand is "the brand you need"; sku is not one of sku1,sku2,sku3, the latter is used to exclude particular products from promotions. 2. Customer Loyalty It is possible to achieve what you need with our Loyalty Program extension. You will be able to create a rule which will be applied if a customer spent £100+ during latest 6 months. However, there is no feature to send an automatic email to the store admin with the client ID. But you can simplify that my setting up automatic discounts if the conditions you set up are met.
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