You must have enough money to finance your stay in Norway and your return journey. You must be able to document that you have sufficient means to support yourself during your stay in Norway and the Schengen area. If you can document this, you do not need a sponsorship form. This may be documented by presenting bank statements.
Whether your funds are considered sufficient will be assessed individually in each case. The following amounts serve as general guidelines for what is regarded as a sufficient minimum:
There are no advantages to providing a sponsorship form if you have enough money. On the contrary, including unnecessary documentation with your application will make it take longer to process your application because we will have more documentation to review.