Check your email, Sainsbury's doing extra 100 points every time you spend £5 or more between 14th to 28th Sept, could add up to some nice extra points.
Full T and C
Spend £5 or more* in a single transaction in store or online at Sainsbury's between 00.00 on 14 September 2016 and 23:59 on 28 September 2016. Valid on online orders delivered between 00.00 on 14 September 2016 and 23:59 on 28 September 2016, including orders already placed as long as you click the 'Sign me up' button. You will only be awarded 100 points per transaction of £5 or more, not for every £5 you spend. For example, a transaction of £20 would give you a bonus of 100 points. You will be awarded 100 bonus Nectar points for all transactions of £5 or more in the qualifying period. You must use your Nectar card in order to collect your bonus points. Points will be credited to the primary Nectar cardholder's account by 12 October 2016. Offer is not transferrable. Only original email recipients qualify. Shops made with cards on joint accounts with a different card number will not count towards this offer. Promoter is Sainsbury's Supermarkets Ltd, 33 Holborn, London EC1N 2HT.
*Qualifying spend excludes spirits and liqueurs, fuel, cashback, saveback, vending machines, concessions and Restaurants/Coffee shops, first stage baby milk products, National Lottery, tobacco, gift vouchers, gift cards, prescription medicines, over the counter medicines, postage stamps, savings stamps, mobile phone vouchers, phonecards, e top-up, paypoint payments, charity products and car park ticket