...a few minutes after tickets go on sale?
When you're booking a ticket, you select your tickets and then fill in your billing details and complete your order. This whole process takes a few minutes, and while you're doing that your tickets are held for you (meaning nobody else can access them). So, if another fan selects some tickets but then decides they don't want them, or they don't complete their booking in time, their seats will be released –which is why you may see a better ticket pop up after you’ve booked.
...a few days after tickets go on sale?
Sometimes, a customer may try to book tickets but their credit card is declined. The tickets are sometimes held for them, and we'll try to get hold of them to take payment. If we can't, we'll release them for someone else to buy.
With very popular events there is often a ticket limit in place. If a customer books more than they're allowed, we're asked to cancel any extra tickets, and they'll be put back on sale.
...a few weeks before the event?
We might get another allocation of tickets to sell as the event approaches. This can be for a couple of reasons –the event organisers may have originally been holding tickets for their own use, which they no longer need. Or they may realise once the stage layout has been confirmed and tested that more seats than first expected will have a full view and can be put on sale.
It's important to remember that we can't offer any exchanges once you've made your booking, so please make sure you're happy with the location of your seats before you book!