Shopping

Tesco has re-introduced restrictions on grocery sales, allowing shoppers to buy only three packs of certain items and just a single pack of toilet roll. However the supermarket and its rivals insist there are currently no product shortages and are urging customers to shop normally.

Martin Lewis has called for the "explosive" market for buy now, pay later products to be regulated as soon as possible in a Treasury Committee evidence session this week.

The minimum legal age to play the National Lottery is set to rise from 16 to 18 next year, as the Government plans to crack down on problem gambling. 

PayPal is set to introduce an annual fee of up to £9 for users whose accounts have been inactive for a year or more – but you can avoid the charge by logging into your account before this month's deadline. 

Arcadia Group – the parent company of Topshop, Miss Selfridge, Dorothy Perkins, Evans and several other high street chains – has collapsed into administration. If you're a customer, we've full help below on what it means for gift cards, online orders and returns. For the latest info if you're a Debenhams customer, which has separately announced it's set to close, see our Debenhams help.

Ikea has been flooded with complaints from shoppers struggling to get in touch with its customer support services, with one person saying they've waited three months for their delivery. We round up what's happened and what you can try to do about it.

Topshop, Burton and Dorothy Perkins customers have been left unable to spend gift cards after parent company Arcadia Group went into administration – even though retailers had originally said vouchers would work as normal. Arcadia Group has told us there's a temporary technical issue with its gift card processing system and says it hopes to make them spendable again in-store and online as soon as possible – but they will now only be redeemable against 50% of your total purchase.

Clothing chain Bonmarché has today collapsed into administration for the second time in just over a year. If you're a customer, we've full help below on what it means for gift cards, online orders and returns.

Shoppers who tried to use Currys PC World gift cards in the Black Friday sales found their orders failed and their funds were wiped, with some left £100s out of pocket. After MoneySavingExpert.com highlighted the issue and asked the firm to take action, Currys PC World now says it'll refund everyone affected by Wednesday evening and honour Black Friday sales prices - we've the latest on what's happening below. 

The price of first-class stamps will rise by up to 14p in the new year, Royal Mail has announced. Below we round up what's happening and what you can do to try to cut costs.