I've been having problems with inappropriate discounting - I have defined a product group and set up a discount of 100% off the cheapest product when 4 products are ordered (4 for the price of 3). I've also set up one reward per order.
If I order 4 different products everything is fine. It is multiple orders of single products that seem to throw a spanner in the works. E.g., if I order 4 x product A valued at £1.95 each and 4 x product B valued at £3.95 each I get a discount of £3.95!?! If I add an order of 4 x product C valued at £8.95 each my discount goes up to £8.95
It is very difficult for me to pin down what exactly what is causing the problem but it seems basically that you get 100% off a single unit of the most expensive product you order in a multiple of 4 or more. This isn't strictly true as you also seem to get inappropriate discounts pretty much whenever you order multiple units of 3 or more products.
When I originally set this up I didn't want just the 1 reward per order I wanted people to get 1 item free for every 4 they ordered - but luckily I bug tested and the discounts were all over the place when products were ordered in multiples. I can't even begin to describe what it was doing when I didn't restrict to 1 reward per order!
If I order 4 different products everything is fine. It is multiple orders of single products that seem to throw a spanner in the works. E.g., if I order 4 x product A valued at £1.95 each and 4 x product B valued at £3.95 each I get a discount of £3.95!?! If I add an order of 4 x product C valued at £8.95 each my discount goes up to £8.95
It is very difficult for me to pin down what exactly what is causing the problem but it seems basically that you get 100% off a single unit of the most expensive product you order in a multiple of 4 or more. This isn't strictly true as you also seem to get inappropriate discounts pretty much whenever you order multiple units of 3 or more products.
When I originally set this up I didn't want just the 1 reward per order I wanted people to get 1 item free for every 4 they ordered - but luckily I bug tested and the discounts were all over the place when products were ordered in multiples. I can't even begin to describe what it was doing when I didn't restrict to 1 reward per order!
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