I've never regretted buying Bitcoin at any price because I've always seen it go higher. When it was moving below $30k, I thought it was a great buying opportunity and now we see that was right. Below $40k was also a good point to buy. Now we are at $43k and I still think we are in a good place to buy. I think you can buy at any price until Bitcoin sees a new ATH. After that, it depends on personal goals.