Yes, applying for several credit products within a short time frame can have a negative impact on your credit score. This is because each application typically results in a “hard inquiry” on your credit report, which can lower your score temporarily. It is best to space out credit applications and only apply when necessary.
No, simply applying for an SSN does not affect your credit score. Your SSN is used to track your credit activity, but it has no direct impact on your score. Your credit score is affected by your credit usage, payments, and debt management over time.
Not always, but many landlords or property managers may check your credit history as part of the rental application process. If you do not have credit, you might need to provide other proof of financial stability, such as proof of income, or you may need a co-signer.