They do occasionally have welcome offers for new accounts. I'd suggest signing up for their email newsletter first, as that's usually where they send out those kinds of introductory promos.

It's worth keeping an eye out for codes specifically tagged for first orders. In the past, there have been community reports of 10% off for initial corporate bookings, but these aren't always active so you'll need to test the current codes at checkout.

Since new customer codes often have a higher value, try to save your first purchase for a larger booking to really make the most of the percentage-off discount if one is available.

You can definitely use mobile wallets like Apple Pay and Google Pay when checking out on their site.

If you are looking for a way to spread the cost, they have been known to support Apple Pay Later for financing your purchase.

Beyond the digital wallets, you might also be able to use your credit card points for purchases, but it's best to check their current FAQ page for the full list of accepted payment types.