Cheap DUAL LAYER DVD+R
£5.96 for a pack of 10 + postage - the last time I bought these I paid £13 for a pack of 10 + postage.
Postage is expensive (from £1.75 to £6ish - depending on how many discs you buy), but I've just bought 60 discs, including postage for £41.97. That works out at 70p each.
New Inkjet Printable Max Storage Data 8.4Gb Max Storage Time 240 min
Notes DVD+R DL High performance DVD+R Double Layer recordable media. Up to 2.4x compatible. Ideal for Data, Video and Audio Recording. 8.5GB Double layer DVD recordable 120mins Double Layer DVD+R Compatibility Chart DVD Player Read DVD-ROM Drive Read DVD-R Reader / Recorder Read DVD-RAM / DVD-R Drive Read DVD-RW Drive (DL) / Recorder Read / Write DVD+RW Drive (DL) / Recorder Read / Write Recording Video to Double Layer DVD+R HQ (High Quality) 120 min SP (Standard Play) 240 min LP (Long play) 360 min EP (Extended play) 480 min LP (Suoer long play) 720min** SEP (Super Extended play) 960min** **Drive / Recorder Dependent