What are the visa & residency requirements in Kristiansand?

"In order to visit Kristiansand, visitors must obtain a visa from the Norwegian Embassy or Consulate in their home country. The visa application process requires applicants to provide proof of identity, a valid passport, and a valid travel document. Additionally, applicants must provide proof of financial means, a valid health insurance policy, and a valid return ticket. In order to apply for residency in Kristiansand, Norway, applicants must first obtain a residence permit from the Norwegian Directorate of Immigration. The application process requires applicants to provide proof of identity, a valid passport, and a valid travel document. Additionally, applicants must provide proof of financial means, a valid health insurance policy, and a valid return ticket. Applicants must also provide proof of employment, proof of housing, and proof of family ties in Norway. Once the application is approved, applicants will receive a residence permit that is valid for up to five years," mentioned another expat when asked about moving to Kristiansand, Norway.