Deliberately bypassing technology put in place to protect copyrighted material is illegal under terms of Section 1201 (Circumvention of copyright protection systems) of the Digital Millennium Copyright Act (DMCA).
The easiest way to copy VHS tapes to DVD is to purchase a VHS/DVD combo. It will allow you to pop in a tape and burn it to DVD without having to download software or hook up to computer.
DVD is such an improvement over VHS that it doesn't matter.
Try Amazon, Netflix or Hulu.
Yes. The DVD is available from a number of on line retailers.
What you are seeking to do violates copyright laws.
All VHS films have been discontinued. You would either have to buy a used copy or buy it on DVD.
VHS to DVD converters can be purchased at your local electronics store and are pretty easy to locate. They are also available on the internet on sites like amazon.com
There used to have a VHS copy for sale on ebay. But today I couldn't find it on the wesbite
Brothers and Sisters in Concert
Most DVD/VHS combos are now capable of recording VHS content onto DVD.
If the VHS portion of a VHS/DVD unit breaks the DVD portion will still work. It should not be much of an issue depending on how often the VHS is used.
What you are seeking to do violates copyright law.