Make room for a stranger

Roomer iOS and Android free THIS site provides a marketplace for people keen to sell a hotel room they have booked but cannot use.

That means sellers can get cash back when the hotel they booked with does not providede a refund, and buyers can get discounts of up to 80 per cent.

It is a win-win, and Roomer does all the paperwork such as ensuring the hotel is aware a different guest is arriving for the night. Clever.