There is no guarantee. After you pay that is it, even if the seller is sending you expired or invalid tickets. Avoid! I cant believe they are trading and pretending to be a legitimate website
Such a shame that Groupon protects businesses more than customers. I purchased Cocktails voucher, now I am unwell and cant use it but they refuse to move the booking date, even if the restaurant itself is fine with moving it. It's upsetting how little they care about their clients. Now restaurant gets £36, groupon commission and the customer big fat zero, shame on you Groupon!