News in brief:Lore Group launches a £100 Amex hotel cashback offerLore Group, owner of upscale hotels in London, Amsterdam, New York and Washington, has launched another American Express cashback deal. Unlike many Amex hotel deals, pre-paid stays do count as long as they are made via the official website or via Global Hotel Alliance. New hotel ‘buy points’ offers launchedThree ‘buy points’ offers have launched in the last few days for the major hotel groups. IHG One Rewards is offering a 100% bonus when you buy 40,000+ points by 17th August. Marriott Bonvoy is offering a 50% bonus (if you buy a large amount) when you buy points by 9th September.