First time at dermatology - what should I do first?

First time at dermatology clinic.

**Current Concerns**
- Large pores
- Fine lines
- Dull skin tone

**Budget**: About 200K KRW monthly

**Questions**
1. What happens on first visit?
2. Is there a consultation fee?
3. What treatments should I start with?
4. How often should I go?

Any advice for a beginner?