Mr Muscle Kitchen Drain Unblocker & Cleaner Gel 500ml £2.35 @ Amazon

I always grab my cleaning essentials when they're on offer at Amazon, and this is another that beats the supermarkets by loads. They have this Mr Muscle Kitchen Drain Unblocker & Cleaner Gel 500ml for just £2.35 when you Subscribe and Save and tick the 50p off voucher, when it's still selling for £3.75 at Asda and Sainsbury's. Add in the free Prime delivery and it's a great little bargain.

• Click here for Mr Muscle Kitchen Drain Unblocker & Cleaner Gel 500ml @ Amazon*

It's really easy to set up the Subscribe & Save as you just choose the frequency of your deliveries at up to 6 months apart, change the first delivery date if you wish 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. Remember to tick the 50p off voucher for maximum savings.

There's free delivery with Prime, or free standard delivery on orders of £25 or more if you're not a member otherwise charges will apply.