請有去過英國自助旅行的各位回答 - 旅遊

我是一個19歲的女大生 今年1月要去英國1個月,住的話是住男性友人家（利物浦）, 可以請各位告訴我我該準備的有什麼？ 還有請各位看一下我的旅行計畫, 謝謝 感激不盡阿！！！！！！ （計畫後會附上hostel資料及友人連絡地址及電話）
Jan 18th-20th Liverpool(*Richard Lilleyʼs apartment)
(Liverpool Cathedral, Liverpool Metropolitan Cathedral)
Jan 21th-24th York (*Jane C. Lilleyʼs House)
(York Castle Museum, York Minster, Yorkshire Museum, Jorkvik Viking Center)
Jan 25th Manchester (Richard Lilleyʼs apartment)
(St. Peter Square, Manchester University, Arndale Center, Albert Square)
Jan 26th-27th Liverpool(Richard Lilleyʼs apartment)
(Liverpool FC Stadium, Beatles Story, St. Georges Place)
Jan 28th-30th Paris (Hostel)
(Paris Disneyland)
Jan 31th Leeds (Richard Lilley's apartment)
(Leeds University, Leeds Castle)
Feb 1stPreston (Richard Lilley's apartment)
(Preston Football Museum)
Feb 2nd Chester (Richard Lilley's apartment)
(Cheshire Oaks Designer Outlet, Chester Cathedral, ChesterBoat-River Cruises)
Feb 3rdBirmingham(Richard Lilleyʼs apartment)
(Birmingham Zoo, Birmingham Museum of Art, Vulcan Park and Museum)
Feb 4thWirral (Richard Lilleyʼs apartment)
(Port Sunlight Museum and Garden Village, Lady Lever Art Gallery)
Feb 5th-7th Sheffield (*Alexander Lilleyʼs apartment)
(The Traditional Hertage Museum, Sheffield Theatres)
Feb 8th-13th London(*Hostel)
(Big Ben, London Eye, Buckingham Palace, Westminster Abbey, Tower of London, House of Parliament, British Museum, Covent Garden, Piccadilly Circus, Harrods, Hyde Park, St. Paulʼs Cathedral, National Gallery, Canary Wharf, University College London)
Update:
我現在讀大二，但沒有信用卡那些的，約會帶900英鎊，這樣會有什麼問題嗎？by the way, 你的解答好詳細！謝謝你喔:-)