It's a two-parter and the couchsurfing tips follow in the second video. They're spot on about making couchsurfing requests personal to increase your chances of finding a suitable and willing host. Cut-and-paste efforts are instantly recognisable, expose you as having made no effort to read the person's profile and are not likely to elicit a response. Watch on for more advice...
Part one: hostels
Part two: hotels and couchsurfing