Not all guitars are expensive. You can find affordable acoustic guitars for around a hundred and fifty dirhams. Acoustic guitars are the most affordable type of guitars because of their simplicity and lack of complex parts. However, like many other instruments, there are many different types of guitars. Modern guitars have high fidelity electronic sound pick up mechanism and an advanced tuning system. Therefore, it is not surprising to see electric guitars that cost you as much as a small car. So, to answer the question, some guitars are expensive because of the precision, skill, and technology that goes into making them.