Just another electrician chipping in I don't do much domestic work myself and it does appear to be quite an easy task to do, my main worrys are that people sometimes fail to isolate the stove properly and once you open the back of an appliance there is often live terminals and a lot of bare metal and you are usually cramped for space all of which can lead to bad outcomes, another thing is the proximity of the terminals to the cover when it is replaced there is not much room for error and thirdly as was mentioned earlier if something happens i.e. the tennant gets hurt or there is a fire and it leads back to you, jail and a great deal of pain could well be your future. I know the pain of paying for an electrician as my IPs are in Brisbane but my advise is just pay them put it on your costs and sleep easy.