On the list above, there’s a synth that costs slightly above $100. However, this synth is one of the cheaper options available and is suited for beginners. There are also options that cost thousands of dollars that are suited for music-making professionals.
Notably, this should imply that the cost of a synthesizer varies according to your needs. As such, once you’ve mastered using inexpensive synths, you can upgrade to the more expensive options.