Depending on your reason for moving, you may move for ‘free' or spend a large amount of money.
If you move due to work, your company may pay for relocation expenses and reduce your resettlement costs or even for free. They may also take care of your visa paperwork and any fees related to living and working in the country.
Visa expenses vary depending on the country and your nationality, so what one person pays may not be what another person pays.
The cost of living also varies between countries, so what you pay in one country won't necessarily be what you pay in another country. That being said, there are ways to keep your costs down, if that is important to you.
If you plan on traveling a lot and participating in various activities, that will add to your costs. Your standard of living also adds to your costs. If you expect a high standard of living, you will pay for it.