Terms and conditions. The competition is open for the specified date only. The winners will be announced across all our social media platforms within 7 days of the competition closing. Entrant must be subscribed to the Radioswap email marketing platform and at least one other Radioswap social media platform. Entrants must tag at least three friends on one or more social media platforms. Entrants must look on the Radioswap website and share the link of what products they buy if they won a voucher. Entrants can share as many links as they like. Vouchers have no cash value and no change will be given if you purchase a product for less than the voucher price. Vouchers can be used as a part payment toward more expensive products.