Cashback rates go up and down so it depends on which retailer you’re spending with. But typically, on groceries you’d get between 3&5%
Which means if a family was spending £150 a week on groceries and they got 5% cashback for 12 months they could get £390 a year in cashback.
It honestly depends what you’re looking for as the gift card instant cashback feels like you’re getting more of a discount, whereas the ones with longer cashout times are the ones that feel like long-term savers for Christmas that build up over time.
If I had to choose two it would be TopCashback for online spending and EverUp for instant cashback for everyday spending.
TopCashback and Quidco: I think it’s more user friendly but it’s worth having both to compare rates.