Just read in a leaflet that Tesco are selling some Xmas trees and lights at half price.
E.G. Cat No 204-4658 6ft Greenland Tree was £35 now £17.50
Cat No 204-4113 6ft Arctic Tree was £10 now £5
Cat No 2046321 40 Low Voltage Clear Indoor Lights was £4 now £2
Not sure if this is instore