You'll have a total of 2,160 points (worth £15) in your account so you can visit the 'rewards store' to choose which gift card you want, which you should do before the sale ends on Wed 24 Oct. The gift card will then arrive within 10 working days, either by post or via email in the case of voucher codes. You can also convert your earnings into PayPal cash but it costs more points (800 SB = £5 PayPal).
Cost per action/sale methods require that referred visitors do more than visit the advertiser's website before the affiliate receives a commission. The advertiser must convert that visitor first. It is in the best interest of the affiliate to send the most closely targeted traffic to the advertiser as possible to increase the chance of a conversion. The risk and loss are shared between the affiliate and the advertiser.
Cafe Press: This website allows you to create digital designs that can then be sold on the platform. You'll earn a commission for everything that sells and you'll never have to deal with logistics like printing, warehousing and customer service. If you have some graphic design skills, then this is a great potential source for your web-based income.