“Effectively become your main SSN” no but loaded question. less places would have your ssn or tin. the only difference it really makes is peace of mind and rely

“Effectively become your main SSN” no but loaded question. less places would have your ssn or tin. the only difference it really makes is peace of mind and relying on the current reality that hackers aren't targeting you or anyone specifically and you will have an additional way to verify yourself if someone did try to do identity theft or whatever you’re worried about. Online People databases will still be reporting pieces of your older SSN while you have been primarily giving services a different number. retirement time isnt a problem. if your business is getting paid and the person that pays needs your tin/ein then thats what they get instead of your ssn. You are still paying self employment taxes contributing to retirement.