Do you need to take the "immigration supervisor" to immigrate to Singapore?

Taking the "immigration supervision" is a problem that immigrants have to consider, and the problem of taking the "immigration supervision" is also the most serious problem that puzzles most immigrant applicants. Canada, Australia, the United States and other countries have residence requirements for immigrants, which makes immigrant applicants discouraged. So is there a residence requirement for investing in Singapore? Do immigrants need to sit in an "immigration prison"? What are Singapore's requirements for immigration supervision? Is it difficult to pass the "immigration supervision" audit? And how to sit in the "immigration prison" are all issues that immigration applicants have to consider now. In fact, there is no immigration supervision in Singapore's current investment immigration policy, that is to say, there is no residence requirement, so there is no problem of "immigration supervision". As long as you have permanent residency in Singapore, you can go anywhere and come back five years later to renew or apply for naturalization.