Essentially you will only need a digital camera to produce your own video tour.
Most smart phones these days will have a video camera built in them. The real difficult part is learning how to shoot the whole video in one take.
One reason why video tours are produced by professionals is due to the complexity of software that is used to edit the video tours.
Now if you can shoo the video in one take, then there is no need to edit the video tour!
You can simply upload the video to YouTube.
If you learn how to use your cameras stop/pause - record button, you can always start the video recording at the right time and stop the video recording at the right time.
Now you will not have to edit the video with a complex and expensive video editing software package.
Also some cameras have the capability to edit the video in camera.