Understandably, you're trying to balance the cost and the fun factor of your vacation. It's great that you're being mindful of your expenses, but it's also essential to consider the overall enjoyment of your trip.
Going on vacation with a larger group can be a lot of fun, as you have more people to share experiences with and create many memories together. However, it's also important to consider the potential downsides, such as coordinating schedules and preferences, dealing with different personalities, and possibly sacrificing individual preferences for the group's good.
On the other hand, traveling with just one friend can be more cost-effective and allow for a more intimate and personalized experience. You have more flexibility in terms of scheduling and can tailor the trip to your interests. Ultimately, the decision comes down to what's most important to you - saving money or having a fun and enjoyable vacation experience. If you're willing to sacrifice a bit of fun for cost savings, going to Hong Kong with just one friend could be a good option.
