We love it when Argos have this voucher offer on, and it's back again right now! When you spend £50 you get a Free £5 Voucher, and when you spend £100 you get a Free £10 Voucher to spend in Argos. The offer is in store only, so if you opt for Home Delivery you will not get this voucher.
You have to pay in store, and your Gift Voucher is issued at the till when you pay for your goods.
The offer started today and vouchers will be issued until February 3rd. Vouchers can be redeemed in stores only from today until February 28th.
You can read the mile and a half of Terms and Conditions here*, but they run this offer so often that we all know how it works by now I think. ;)