If you use Persil for your laundry this is the best price around for the Persil Ultimate Touch of Comfort Washing Liquid 52 Washes pack as it's just £6.65 when you Subscribe and Save at Amazon. It's selling for £11 at Sainsbury's so this Amazon deal is cheaper than all the supermarkets, and with free Prime delivery too.
It's really easy to set up the Subscribe and Save as you just choose the frequency of your deliveries at up to 6 months apart, and then order as usual. Your discount is applied automatically at the checkout. Once you've received your order you can easily amend or cancel your subscription at any time.
If you want to stock up there's also an extra 5% off when you buy 4 or more too.
There's free and fast delivery with Amazon Prime, or there's free standard delivery on orders of £25 or more if you're not a member otherwise charges will apply.