seen on MSE
From this Friday to Monday inclusive (24-27 May), when you spend £1 or more on virtually anything at Sainsbury’s online, in store or on petrol, you’ll be credited with an extra 150 points (worth 75p) if you swipe your Nectar card. If you don’t already have a Nectar card they are free to get from Sainsbury’s, where you can also get 10p/litre off fuel (from Thu).
As the rules say you can do this up to three times each day, you could spend £1 in three separate transactions per day and get £2.25 of points back per day - assuming you find stuff to match that spend, which is possible on staples such as bread, milk, fruit and veg.
https://www.moneysavingexpert.com/deals ... us-points/