What happens if I buy $100 of Bitcoin?

I'm curious about investing in Bitcoin, but I'm hesitant to dive in headfirst. If I were to buy $100 worth of Bitcoin, what can I expect to happen? Will my investment increase in value over time? Is there a risk of losing money? How does the market for Bitcoin fluctuate, and how does it compare to traditional investments like stocks and bonds? I'm looking for a general understanding of what I can expect if I take this leap into the world of cryptocurrency.