The guys are just sayin' like it is ... a Nurrish Satnav is not, and never will be, the best that you can get ... those in the know knew that at the time they were being sold ... sorry but someone bought a pup
Your appliances need a switch fused spur which is accessible and a connected to an un-switched socket to plug into which can be behind the appliance or in a cupboard next to it. If you cut the plug off an appliance to install it you will negate the guarantee
10 days work could turn out to be 15 if the suppliers p!$$ you about with m!$$ing parts ... this is not uncommon once you have signed on the bottom line with a supplier at the cheaper end of the market